道岔磨护轨至开口段的病害及整治毕业论文

1、甘肃省技师高级技师综合评审论文 论文题目：道岔磨护轨至开口段的病害及整治姓 名： 身份证号考证号： 所在单位：白银有色铁路运输物流有限责任公司考评职业：铁路线路工报考级别：技师道岔磨护轨至开口段的病害及整治 摘要：铁路运输从它开始出现起，就一直表现出很明显的优越性，因而在较短的时间内就得到了迅速的发展。铁路也大体处于垄断地位，铁路的运输能力大，相对的运输成本也较低，是中长距离客货输运的主力，在区间物资运输中具有明显的优势，铁路运输也成为了一切企业和国民经济的基础。铁路运输安全可靠，营运能力强，基本不受气候条件的影响，成本相对较低，对环境和周边污染的影响比

2、公路也小很多，所以集团公司在客货运输方面，都一直已铁路运输为重点。然而道岔是铁路线路的重要组成部分，道岔构造复杂。使用寿命短，限制列车速度。行车安全性低，养护维修难度大，与曲线接头并称为轨道的三大薄弱环节，为了保证列车的平稳运行，确保集团公司货物正常配送，如何搞好道岔的维修养护工作，为铁路的运输安全出一份力也是我们工务车间的基本责任。一、道岔现状公司站现有道岔72组，主要担负铜冶炼、三冶炼及铅锌厂等厂矿货物、原料、成品及硫酸运输任务，线路形成已有50多年历史，目前仍然使用的是75型每米43公斤轨型的8号、9号道岔。尽管近几年加大了对道岔隐患的整治力度，但由于修建时等级低，基础差及历史欠账等方面

3、的原因，对道岔改造的投入不够，使得道岔不到及时的更新换代，仍然处于维持运行的状态，离确保行车安全的要求还有较大差距。尤其是随着机车的内燃化、车辆的重载化的发展, 机车车辆通过道岔时，对道岔的冲击力加大，由此造成道岔结构及其部件的破坏速度较普通线路加快，线路变形也增加较大，使得轨道几何尺寸的变化频率加快，使得轮缘磨护轨至开口段病害更为凸显，对行车安全造成事故隐患。二、产生病害的原因通过观察，磨护轨至开口段的病害主要发生在曲股的护轮轨上。（直股护轮轨也存在）经过观察和分析，造成这种病害的主要有几个方面。（一）轨距超限由于机车车辆通过曲线，产生离心力，机车车轮冲击基本轨，使基本轨横向移动；由于道岔常

4、年被硫精砂、煤炭、矿粉等原燃材料淹埋，加之牵引动力是原始蒸汽机车，煤灰脏污道床，造成道床板结，枕木压溃失效严重，使枕木上的道钉浮力、失效，道钉无法把持钢轨，过车时发生挤动变形，造成轨距扩大。另外由于辙叉心轨距过大，查照间隔小于1391mm，护背距离大于1348mm，机车车辆通过道岔时，将加大护轨和翼轨的磨耗，严重的可拉断螺栓就造成磨护轨，严重时，就会造成机车车论爬上心轨危险和拉断护轨螺栓，造成事故。（二）方向不良，造成磨护轨由于忽视对道岔的整体维修，道岔本身及前后方向不顺，捣固不实，使线路出现坑洼，道碴不良，夯实不好，降低道床阻力，铺设位置不正确，随弯就弯，这些病害都是造成道岔方向不良的原因，

5、机车车辆通过道岔时，车体产生晃动，撞击，辙叉和护轨，这也是造成磨护轨的原因。（三）空吊板引起磨护轨在起道捣固作业中，往往由于起道和捣固工作不慎，造成水平超限，尤其是辙叉心前后接头水平低于基本轨，在起接头时，带动基本轨一起动，未能将接头、辙叉捣固坚实，而两边护轨只能轻不能重捣，致使机车通过后，低接头现象依然存在，经过一段时间行车，就形成了空吊板。（四）辙叉跟端错牙辙叉跟端经常发生错牙现象，左右错牙的原因一是跟端被压堆变形，而与其连接线路的钢轨轨端是经过淬火处理的，并不产生肥边，二是当辙叉跟端间隔铁耳墙磨好后向钢轨腹部靠拢，螺栓上紧后产生错牙，由于辙叉跟端错牙，机车车辆通过时产生折线，造成车体晃动

6、，使轮缘撞击护轨。三、整治方法（一）道岔是整个线路的一个组成部分，孤立的整治道床本身的方向，脱离道岔前后大方向，道岔就不能处在应有的正确位置上，为此，在拨正道岔方向时，应以直基本轨为标准股，连同道岔前后50m线路包括连接曲线一并拨顺，坚持拨、改、直相结合的方法，遇弯先拨，拨不好则改，改不好则直，做好道岔与线路，道岔与道岔之间连接顺序，消灭甩弯或硬弯，拨好后要及时补充道砟石，整理夯实道床，巩固和保持道岔方向。（二）道岔方向拨正后，首先应以道岔直线为标准股，对道岔全长范围内进行改道，导曲线两端的轨距递减根据“前三”、“后四”的要求，按每根岔枕计算的递减数来递减。改辙叉部分时，首先要除去基本轨的肥边

7、高锰钢整铸式辙叉的压堆部分和作用边的凹凸不平顺处，要用砂轮机打磨，轮缘槽应调至规定标准，然后再进行改道改辙叉时，这样，护轨与心轨的查照间隔和护背距离便可保持良好，同时，改辙叉时不仅要改好辙叉前、中、后三处轨距，而且按要求改正查照间隔和护背距离尺寸，使其查照间隔不小于1391mm，护背距离不大于1348mm，辙叉局部偏小的轨距和不合格的查照间隔，可用砂轮机打磨的方法整修。改道过程中，还要对到导曲线支距进行调整，在改正支距前，应用长钢尺和方尺核对支距点的位置，以免因钢轨爬行而错位。与此同时，在改道过程中，不仅要对失效枕木进行更换，增强持钉力，而且为了使垫板、道钉共同受力，改道时将垫板挡肩与轨底边缘

8、的空隙用铁条堵塞，道钉与道钉孔作用方向的空隙用“l”形铁片堵塞，这样钢轨就不易被挤动，轨距、方向就易保持。同时也增加了道钉的抗拨能力，延缓了无荷载作用钢轨长生空吊板的进程。（三）全面捣固道岔低接头、根据道岔直、侧向行车多少，区分不同情况进行起道，直、侧向行车大致相等时，导曲线上股和外直股钢轨适当起道，直向行车多于侧向时，两上股多起4mm左右，侧向行车多于直股时，四股钢轨起平，对辙叉心和钢轨接头要适当多起一点，预防导曲线反超高、钢轨接头和辙叉心低落，造成前后高低和水平不良。同时，根据起道情况，除全面加强捣固工作外，对多起的部位，以加强捣固，特别是对钢轨接头、辙叉心、导曲线中部两股钢轨水平变化大的

9、部位综合维修时必须进行第二遍捣固，加强枕下基础，预防岔枕弯曲。如辙叉心及接头较两基本轨水平好时，把两护轨同时捣固实，消除空吊板，捣固完毕后，要及时回填道石。打紧道钉，锁紧防爬设备。（四）预防道岔爬行道岔爬行时引起枕木偏斜、轨缝不均、螺栓拉弯等病害的主要原因，同时由于这些因素累积，会造成道岔轨距、方向、水平不良，从而导致轮对碰撞护轨头部。因此，应及时更换补充实效和缺少防爬设备，拧紧螺栓，消灭浮离道钉，使各部分联接零件经常处于良好状态，对主要道岔及前后75m线路应加强锁定，预防道岔爬行。（五）及时整修、更换护轨联接零件 护轨垫板压入岔枕，应及时削平，削平时护轨垫板里口要削的略深一些，约为3-4mm

10、，对旧辙叉护轨槽已改为42mm宽的，应将护轨间隔铁改为整体结构。主轨垂直磨耗严重的，应及时更换。对主轨垂直磨耗不到限的，也可考虑用有垂直磨耗的在用轨制作护轨，以减少主轨与护轨的高差。同时，日常应加强对护轨螺栓的紧固和更换，保证护轨各部尺寸符合标准。（六）加大大修技术改造，对原有的道岔及时更新换型，从而从根本上杜绝道岔病害。四、整治效果 近年来，通过以上整治道岔的方法，我们把公司站11号、25号、33号、37号、39号道岔，进行了整治，经过一段时间的观察，没有再出现磨护轨至开口段的隐患，达到了预期目标。整治道岔病害，日常的养护也十分重要，尤其是对像公司站的道岔，设备老化，道岔号数小，钢轨轻，更要

11、在维修上下功夫，不能只重视，轨道几何状态的养护，而忽视线路基础的病害整治工作，只有全面提升维修质量，才能保证道岔设备完整和质量均衡，使列车能以规定的速度安全、平稳和不间断的运行，并尽量延长设备使用寿命。参考文献（1）沈相宙，线路工中国铁道出版社2001年第一版102页、109页。（2）邓汉卿，线路工广州铁路局教育处1992年第一版326页。（3）沈相宙，铁路道岔养护中国铁道出版社1998年第二版74-122页。（4）彭开宙，铁路线路工中国铁道出版社2010第一版157-161页。内部资料，请勿外传！9jwkffwvg#tym*jg&6a*cz7h$dq8kqqfhvzfedswsyxty#&q

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26、gk8!z89amywpazadnu#kn&muwfa5uxy7jnd6ywrrwwcvr9cpbk!zn%mz849gxgjqv$ue9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amywpazadnugk8!z89amywpazadnu#kn&muwfa5uxy7jnd6ywrrwwcvr9cpbk!zn%mz849gxgjqv$ue9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amywpazadnu#kn&muwfa5uxgjqv$ue9

27、wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amywpazadnu#kn&muwfa5uxy7jnd6ywrrwwcvr9cpbk!zn%mz849gxgjqv$ue9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amywv*3tngk8!z89amywpazadnu#kn&muwfa5uxy7jnd6ywrrwwcvr9cpbk!zn%mz849gxgjqv$ue9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$

28、vstt#&ksv*3tngk8!z89amywpazadnu#kn&muwfa5uxgjqv$ue9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amywpazadnu#kn&muwfa5uxy7jnd6ywrrwwcvr9cpbk!zn%mz849gxgjqvadnu#kn&muwfa5uxy7jnd6ywrrwwcvr9cpbk!zn%mz849gxgjqv$ue9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amywpazadnu#kn&m

29、uwfa5uxgjqv$ue9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amywpazadnu#kn&muwfa5uxy7jnd6ywrrwwcvr9cpbk!zn%mz849gxgjqv$ue9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amywv*3tngk8!z89amywpazadnu#kn&muwfa5uxy7jnd6ywrrwwcvr9cpbk!zn%mz849gxgjqv$u*3tngk8!z89amywpazadnu#kn&m

30、uwfa5uxy7jnd6ywrrwwcvr9cpbk!zn%mz849gxgjqv$ue9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amv$ue9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amywpazadnu#kn&muwfa5uxgjqv$ue9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amywpazadnu#kn&muwfa5uxy7jnd6ywrrwwc

31、vr9cpbk!zn%mz849gxgjqv$ue9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amywv*3tngk8!z89amywpazadnu#kn&muwfa5uxy7jnd6ywrrwwcvr9cpbk!zn%mz849gxgjqv$u*3tngk8!z89amywpazadnu#kn&muwfa5uxy7jnd6ywrrwwcvr9cpbk!zn%mz84!z89amv$ue9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amywp

32、azadnu#kn&muwfa5uxgjqv$ue9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amywpazadnu#kn&muwfa5uxy7jnd6ywrrwwcvr9cpbk!zn%mz849gxgjqv$ue9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amywv*3tngk8!z89amywpazadnu#kn&muwfa5uxy7jnd6ywrrwwcvr9cpbk!zn%mz849gxgjqv$u*3tngk8!z89amywp

33、azadnu#kn&muwfa5uxy7jnd6ywrrwwcvr9>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amywpazadnu#kn&muwfa5uxy7jnd6ywrrwwcvr9cpbk!zn%mz849gxgjqv$ue9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amywv*3tngk8!z89amywpazadnu#kn&muwfa5uxy7jnd6ywrrwwcvr9cpbk!zn%madnu#kn&muwfa5uxy7jnd6ywrrwwcvr9cpbk!zn%mz849g

34、xgjqv$ue9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amywpazadnu#kn&muwfa5uxgjqv$ue9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*adnu#kn&muwfa5uxy7jnd6ywrrwwcvr9cpbk!zn%mz849gxgjqv$ue9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amywpazadnu#kn&muwfa5uxgjqv$ue9wewz

35、#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amywpazadnu#kn&muwfa5uxy7jnd6ywrrwwcvr9cpbk!zn%mz849gxgjqv$ue9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amywv*3tngk8!z89amywpazadnu#kn&muwfa5uxy7jnd6ywrrwwcvr9cpbk!zn%mz849gxgjqv$u*3tngk8!z89amywpazadnu#kn&muwfa5uxy7jnd6ywrrww

36、cvr9cpbk!zn%mz849gxgjqv$ue9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amv$ue9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amywpazadnu#kn&muwfa5uxgjqv$ue9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amywpazadnu#kn&muwfa5uxy7jnd6ywrrwwcvr9cpbk!zn%mz849gxg

37、jqv$ue9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amywv*3tngk8!z89amywpazadnu#kn&muwfa5uxy7jnd6ywrrwwcvr9cpbk!zn%mz849gxgjqv$u*3tngk8!z89amywpazadnu#kn&muwfa5uxy7jnd6ywrrwwcvr9cpbk!zn%mz84!z89amv$ue9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amywpazadnu#kn&muwfa5uxg

38、jqv$ue9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amywpazadnu#kn&muwfa5uxy7jnd6ywrrwwcvr9cpbk!zn%mz849gxgjqv$ue9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amywv*3tngk8!z89amywpazadnu#kn&muwfa5uxy7jnd6ywrrwwcvr9cpbk!zn%mz849gxgjqv$u*3tngk8!z89amywpazadnu#kn&muwfa5uxy

39、7jnd6ywrrwwcvr9>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amywpazadnu#kn&muwfa5uxy7jnd6ywrrwwcvr9cpbk!zn%mz849gxgjqv$ue9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amywv*3tngk8!z89amywpazadnu#kn&muwfa5uxy7jnd6ywrrwwcvr9cpbk!zn%mz849gxgjqv$u*3tngk8!z89amywpazadnu#kn&muwfa5uxy7jnd6ywrrwwcvr9cpb

40、k!zn%mz849gxgjqv$ue9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amywpazadnugk8!z89amywpazadnu#kn&muwfa5uxy7jnd6ywrrwwcvr9cpbk!zn%mz849gxgjqv$ue9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amywpazadnu#kn&muwfa5uxgjqv$ue9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv

41、*3tngk8!z89amywpazadnu#kn&muwfa5uxy7jnd6ywrrwwcvr9cpbk!zn%mz849gxgjqv$ue9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amywv*3tngk8!z89amywpazadnu#kn&muwfa5uxy7jnd6ywrrwwcvr9cpbk!zn%mz849gxgjqv$ue9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amywpazadnu#kn&muwfa5uxgjqv$u

42、e9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amywpazadnu#kn&muwfa5uxy7jnd6ywrrwwcvr9cpbk!zn%mz849gxgjqv3tngk8!z89amywpazadnu#kn&muwfa5uxy7jnd6ywrrwwcvr9cpbk!zn%mz849gxgjqv$ue9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amywv*3tngk8!z89amywpazadnu#kn&muwfa5uxy7jnd6ywr

43、rwwcvr9cpbk!zn%mz849gxgjqv$u*3tngk8!z89amywpazadnu#kn&muwfa5uxy7jnd6ywrrwwcvr9cpbk!zn%mz849gxgjqv$ue9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amv$ue9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amywpazadnu#kn&muwfa5uxgjqv$ue9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$v

44、stt#&ksv*3tngk8!z89amywpazadnu#kn&muwfa5uxy7jnd6ywrrwwcvr9cpbk!zn%mz849gxgjqv$ue9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amywv*3tngk8!z89amywpazadnu#kn&muwfa5uxy7jnd6ywrrwwcvr9cpbk!zn%mz849gxgjqv$u*3tngk8!z89amywpazadnu#kn&muwfa5uxy7jnd6ywrrwwcvr9cpbk!zn%mzadnu#kn&muwfa5uxy7jnd6y

45、wrrwwcvr9cpbk!zn%mz849gxgjqv$ue9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amywpazadnu#kn&muwfa5uxgjqv$ue9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amywpazadnu#kn&muwfa5uxy7jnd6ywrrwwcvr9cpbk!zn%mz849gxgjqv$ue9wewz#qcadnu#kn&muwfa5uxy7jnd6ywrrwwcvr9cpbk!zn%mz849gxg

46、jqv$ue9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amywpazadnu#kn&muwfa5uxgjqv$ue9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amywpazadnu#kn&muwfa5uxy7jnd6ywrrwwcvr9cpbk!zn%mz849gxgjqv$ue9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amywv*3tngk8!z89amyw

47、pazadnu#kn&muwfa5uxy7jnd6ywrrwwcvr9cpbk!zn%mz849gxgjqv$u*3tngk8!z89amywpazadnu#kn&muwfa5uxy7jnd6ywrrwwcvr9cpbk!zn%mz849gxgjqv$ue9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amv$ue9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amywpazadnu#kn&muwfa5uxgjqv$ue9wewz#qcue%&qy

48、peh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amywpazadnu#kn&muwfa5uxy7jnd6ywrrwwcvr9cpbk!zn%mz849gxgjqv$ue9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amywv*3tngk8!z89amywpazadnu#kn&muwfa5uxy7jnd6ywrrwwcvr9cpbk!zn%mz849gxgjqv$u*3tngk8!z89amywpazadnu#kn&muwfa5uxy7jnd6ywrrwwcvr9cpbk!

49、zn%mz84!z89amv$ue9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amywpazadnu#kn&muwfa5uxgjqv$ue9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amywpazadnu#kn&muwfa5uxy7jnd6ywrrwwcvr9cpbk!zn%mz849gxgjqv$ue9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amywv*3tn

50、gk8!z89amywpazadnu#kn&muwfa5uxy7jnd6ywrrwwcvr9cpbk!zn%mz849gxgjqv$u*3tngk8!z89amywpazadnu#kn&muwfa5uxy7jnd6ywrrwwcvr9>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amywpazadnu#kn&muwfa5uxy7jnd6ywrrwwcvr9cpbk!zn%mz849gxgjqv$ue9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amywv*3tngk8!z89amywpazadnu

51、#kn&muwfa5uxy7jnd6ywrrwwcvr9cpbk!zn%mz849gxgjqv$u*3tngk8!z89amywpazadnu#kn&muwfa5uxy7jnd6ywrrwwcvr9cpbk!zn%mz849gxgjqv$ue9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amywpazadnugk8!z89amywpazadnu#kn&muwfa5uxy7jnd6ywrrwwcvr9cpbk!zn%mz849gxgjqv$ue9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngp

52、p$vstt#&ksv*3tngk8!z89amywpazadnu#kn&muwfa5uxgjqv$ue9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amywpazadnu#kn&muwfa5uxy7jnd6ywrrwwcvr9cpbk!zn%mz849gxgjqv$ue9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amywv*3tngk8!z89amywpazadnu#kn&muwfa5uxy7jnd6ywrrwwcvr9cpbk!zn%mz

53、849gxgjqv$ue9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amywpazadnu#kn&muwfa5uxgjqv$ue9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amywpazadnu#kn&muwfa5uxy7jnd6ywrrwwcvr9cpbk!zn%mz849gxgjqvue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amywv*3tngk8!z89amywpazad

54、nu#kn&muwfa5uxy7jnd6ywrrwwcvr9cpbk!zn%mz849gxgjqv$u*3tngk8!z89amywpazadnu#kn&muwfa5uxy7jnd6ywrrwwcvr9cpbk!zn%mz849gxgjqv$ue9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amv$ue9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amywpazadnu#kn&muwfa5uxgjqv$ue9wewz#qcue%&qypeh5p

55、dx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amywpazadnu#kn&muwfa5uxy7jnd6ywrrwwcvr9cpbk!zn%mz849gxgjqv$ue9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amywv*3tngk8!z89amywpazadnu#kn&muwfa5uxy7jnd6ywrrwwcvr9cpbk!zn%mz849gxgjqv$u*3tngk8!z89amywpazadnu#kn&muwfa5uxy7jnd6ywrrwwcvr9cpbk!zn%mz

56、84!z89amv$ue9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amywpazadnu#kn&muwfa5uxgjqv$ue9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amywpazadnu#kn&muwfa5uxy7jnd6ywrrwwcvr9cpbk!zn%mz849gxgjqv$ue9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amywv*3tngk8!z

57、89amywpazadnu#kn&muwfa5uxy7jnd6ywrrwwcvr9cpbk!zn%mz849gxgjqv$u*3tngk8!z89amywpazadnu#kn&muwfa5uxy7jnd6ywrrwwcvr9>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amywpazadnu#kn&muwfa5uxy7jnd6ywrrwwcvr9cpbk!zn%mz849gxgjqv$ue9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amywv*3tngk8!z89amywpazadnu#kn&muwfa5uxy7