预制直埋保温管外护管开裂的原因分析及预防.txt

棰勫埗鐩村煁淇濇俯绠鎶寮瑁傜殑鍘熷洜鍒嗘瀽鍙婇闃? 銆銆鎽樿棰勫埗鐩村煁淇濇俯绠湪鎴戝浗鎺箍搴旂敤宸叉湁鍑犲崄骞寸殑鍘嗗彶, 褰垚浜嗚緝瀹屽杽鐨勪繚娓粨鏋勫拰涓鏁村绉戝鐨勮璁悊璁哄拰璁畻鏂规硶銆傞鍒剁洿鍩嬩繚娓亾鎶鏈槸涓椤瑰瀛缁煎悎鎶鏈紝娑夊強鏉愭枡銆佷紶鐑佸姏瀛佸伐鑹恒佸博鍦熷鍜岃璁佸埗閫犮佹柦宸佽繍琛岀鐞嗙瓑璇稿鏂归潰銆傝繎鍑犲勾锛岀洿鍩嬪紡淇濇俯绠亾鍦柦宸幇鍦哄娆嚭鐜板鎶鐮磋鐜拌薄锛屽啲瀛柦宸椂灏负绐佸嚭銆備负瑙喅鍜岄闃茶繖涓闂锛屽鑳藉褰卞搷杩欑鐜拌薄鐨勮澶氬洜绱犻愪釜鍒嗘瀽锛屼互姹傛壘鍑鸿鍐抽棶棰樼殑鏂规硶銆?銆銆鍏抽敭璇?楂樺瘑搴仛涔欑儻鎸嚭鎴愬瀷搴斿姏 銆銆涓浘鍒嗙被鍙凤細 TE867鏂囩尞鏍囪瘑鐮侊細 A 銆銆Abstract:Tube in the existing on domestic application of decades of history of prefabricated directly buried insulating, formed the design theory and calculation method of heat preservation structure more perfect and a set of scientific. Prefabricated directly buried insulating technology is a multidisciplinary integrated technology, involved in many aspects of materials, heat transfer, process, mechanical, geotechnical and design, manufacturing, construction, operation management etc. In recent years, many in the construction site directly buried insulating pipe pipe rupture phenomenon, especially in winter construction. To prevent and resolve this problem, many factors can influence the analysis one by one to this phenomenon, in order to find a solution to the problem. 銆銆Keywords: high density polyethylene extrusion stress 銆銆 銆銆涓浘鍒嗙被鍙凤細TU995.3鏂囩尞鏍囩鐮侊細C 銆銆1 澶栨姢绠敤鍘熸潗鏂欑殑鍙戝睍 銆銆鑱氫箼鐑潗鏂欙紙PE锛夌殑鍙戝睍鍙垎涓轰笁浠細绗竴浠紝鐩稿綋浜庣幇鍦殑PE63浠笅绛夌骇鐨凱E绠潗鏂欙紱绗簩浠紝鐩稿綋浜庣幇鍦殑PE80绾鏉愭枡锛涚涓変唬锛?0涓栫邯80骞翠唬鍑虹幇浜嗚绉颁负鈥?绗笁浠鏉愭枡鈥濓紝鍥介檯涓婁笉灏戝鍨嬬煶娌瑰寲宸紒涓氬凡缁忎娇鐢殑PE100绾鏉愭枡銆傜幇鍦紑鍙戝嚭绗洓浠E125绠潗鏂? 宸插湪鏌愪簺棰嗗煙寮濮嬩娇鐢?012骞达紝鍥藉璐噺鐩戠潱妫楠屾鐤诲眬棰佸竷浜嗗浗瀹舵爣鍑嗭紝銆婇珮瀵嗗害鑱氫箼鐑鎶纭川鑱氭皑閰场娌鏂欓鍒剁洿鍩嬩繚娓鍙婄浠躲嬶紙GB/T 29047鈥?012锛夛紙2012-12-31鍙戝竷锛?013-09-01瀹炴柦锛夛紝瑕佹眰澶栨姢绠簲浣跨敤楂樺瘑搴仛涔欑儻鏍戣剛鍒堕狅紝楂樺瘑搴仛涔欑儻鏍戣剛搴旈噰鐢E80绾垨鏇撮珮绾埆鐨勫師鏂欍?銆銆2 澶栨姢绠尋鍑烘垚鍨嬪伐鑹哄奖鍝嶅洜绱?銆銆澶栨姢绠富瑕侀噰鐢礋鍘嬪畾寰勬妧鏈敓浜紝褰卞搷鍥犵礌涓昏鏈夋尋鍑烘垚鍨嬪伐鑹哄拰涓昏鎴愬瀷璁惧涓柟闈傚伐鑹哄弬鏁板寘鎷俯搴佹尋鍑洪熺巼銆佺壍寮曢熺巼锛涙垚鍨嬭澶囦富瑕佺敱鎸嚭鏈恒佷富浣撴鍏枫佽礋鍘嬪畾寰勮埍銆佸畾寰勮缃佷簩娆喎鍗寸郴缁熴佺壍寮曡缃粍鎴愩?銆銆2. 1PE绠畾寰勫伐鑹?銆銆PE绠畾寰勫伐鑹哄垎涓鸿礋鍘嬪畾寰勫拰姝帇瀹氬緞銆傝礋鍘嬪畾寰勫拰姝帇瀹氬緞鐨勫尯鍒湪浜庝娇鐢皵鍘嬩笉鍚岋紝璐熷帇瀹氬緞鏄湪瀹氬緞鑸变腑鍒堕犱綆浜庡姘斿帇鐨勭幆澧冿紝浣垮鎬姸鎬佺殑PE绠潗鍦礋鍘嬩笅绱创瀹氬緞瑁呯疆鎴愬瀷锛涙鍘嬪畾寰勬槸鍦畾寰勮缃腑閫氬叆楂樺帇绌烘皵杩娇濉戞E绠潗绱创瀹氬緞瑁呯疆鑰屾垚鍨嬨備笌姝帇瀹氬緞宸壓鐩告瘮锛岃礋鍘嬪畾寰勫伐鑹虹殑浼樼偣涓? 鈶燩E绠潗鐩村緞瀹规槗鎺埗,鎴愬搧鍚堟牸鐜囬珮锛?鈶E鍘熸潗鏂欐氮璐瑰皬锛涒憿瀹夊叏鎬珮锛?鈶垚鍝佺鏉愮殑鍔涘鎬兘濂姐?銆銆2.2宸壓鍙傛暟 銆銆涓昏宸壓鍙傛暟涓烘俯搴佹尋鍑洪熺巼銆佺壍寮曢熺巼銆傚浜庢暣涓敓浜繃绋嬫潵璇? 3涓弬鏁版槸浜掔浉褰卞搷鐨勩?銆銆锛?锛夋俯搴?銆銆鍖呮嫭鏂欑瓛娓害銆佹満澶存俯搴拰鍐峰嵈娓害銆傛俯搴槸褰卞搷濉戝寲鍙婄鏉愭垚鍨嬭川閲忕殑涓昏鍥犵礌锛屾枡绛掑拰鏈哄娓害杩囬珮瀵艰嚧濉戞枡鑰佸寲鐢氳嚦鐐寲锛岃屾俯搴繃浣庝娇鍘熸枡濉戝寲涓嶅厖鍒嗭紝鎴愬搧绠澹佷笂浼氱暀鏈夊皻鏈鍖栫殑PE棰楃矑銆傚喎鍗存俯搴浜嶱E绠潗鐨勭洿寰勫拰澶栨姢绠唴搴斿姏褰卞搷寰堝锛屼笉鍚屽喎鍗存俯搴細閫犳垚鍚屾壒鎴愬搧绠洿寰勪笉鍚屽拰鍐呭簲鍔涘灏忎笉鍚屻傚洜姝帶鍒跺喎鍗存俯搴紝灏叾鏄啲澶尋鍑烘垚鍨嬫椂鏇村簲璇紩璧峰瀹剁殑娉剰銆?銆銆锛?锛夋尋鍑洪熺巼 銆銆鎸嚭閫熺巼涓昏鍙栧喅浜庢尋鍑烘満铻烘潌杞熴傛彁楂樿灪鏉嗚浆閫熷彲浠彁楂樹骇閲忥紝浣嗚浆閫熻繃蹇紝浼氬鑷村鍖栬川閲忎笅闄嶏紝鎴愬搧绠潗鎷変几寮哄害涓嶅悎鏍硷紝鑰屼笖褰卞搷涓庣壍寮曢熺巼鐨勯厤鍚堛傚簲鏍规嵁绠緞鍜屾墍澶勫湴鍩熺殑鐜娓害閫傚綋璋冩暣铻烘潌杞燂紝浣垮師鏂欏厖鍒嗗鍖?淇濊瘉绠潗鐨勮川閲忋?銆銆锛?锛夌壍寮曢熺巼 銆銆鐗靛紩閫熺巼鐢潵璋冩暣绠潗鐨勫鍘?涓鑸壍寮曢熺巼姣旀尋鍑洪熺巼绋嶅揩涓浜涖傜敱浜庡绠緞PE绠殑鐩村緞鍙婅川閲忓锛岄渶瑕侀傚綋璋冭妭鐗靛紩閫熺巼锛屼互鍏嶅湪鐢熶骇杩囩涓彂鐢熺鏉愮垎瑁傘?銆銆2.3 鐢熶骇璁惧 銆銆2.3.1鎸嚭鏈?銆銆鎸嚭鏈哄寘鎷尋鍑鸿灪鏉嗐佹満绛掋佸姞鏂欑郴缁熴佸姞鐑拰鍐峰嵈绯荤粺绛夈傛尋鍑烘満鍗曚綅鏃堕棿鎸嚭閲忕洿鎺奖鍝嶅埌鏁存潯鐢熶骇绾跨殑鐢熶骇鑳藉姏锛屾尋鍑烘満瀵筆E鍘熸枡鐨勫鍖栬兘鍔涗篃鐩存帴褰卞搷浜搧鐨勮川閲忋?銆銆2.3.2涓讳綋妯叿 銆銆涓讳綋妯叿鐨勪綔鐢槸浣挎尋鍑烘満鎸嚭鏉殑PE鐔旇瀺鐗潎鍖鍦伴氳繃鏁翠釜妯叿鏂潰锛屼娇PE鐔旇瀺鐗舰鎴愯繛缁殑绠潗銆傜洰鍓嶏紝骞挎硾閲囩敤鐨勬鍏蜂负绛涚寮忔鍏凤紝杩欑妯叿鍙娇PE鏂欑殑娴佸姩閫熺巼杈惧埌棰勬湡鍊硷紝鍚屾椂杩樺叿鏈夐樆鍔涘皬銆佷骇閲忛珮銆佺粨鏋勭揣鍑戙佽繛鎺悎鐞嗐佹洿鎹柟渚跨瓑鐗圭偣銆?銆銆涓轰簡淇濊瘉鑹鐨勫鍖栨俯搴紝鍦彛妯澹佸拰鑺鍐呭璁剧疆浜嗕笉鍚屽姛鐜囩殑鐢靛姞鐑墖銆備负浜嗛殢鏃惰皟鏁存鍏风殑娓害閬垮厤PE鐗枡鍙戠敓鐐寲锛屽湪姣忕粍鐢电儹鐗囦笂棰勭暀鐑數鍋舵彃搴紝鏍规嵁鐑數鍋跺弽棣堢殑娓害淇彿鎺埗鐢电儹鐗囨俯搴?銆銆2.3.3璐熷帇瀹氬緞鑸?銆銆鍦璁礋鍘嬪畾寰勮埍鏃跺簲閫夌敤鍔熺巼杈冮珮鐨勭湡绌烘车锛屾潵寮鑸变綋瀵嗗皝涓嶄弗鐨勭己闄枫傚畾寰勮埍鍐呰鏈夊瘑闆嗙殑楂樻晥鍠锋穻璁惧锛屽喎鍗存按浠嶱E绠澂鐨勫洓鍛潎鍖鍠锋磼鍦E绠澂琛潰锛屼娇PE绠澂灏藉彲鑳藉揩鍦板喎鍗淬佸畾寰勩傚湪瀹為檯鐢熶骇涓笉鍙伩鍏嶅湴浼氫粠澶栫晫杩涘叆涓浜涙潅璐埌姘翠腑,涓轰簡鍠锋穻璁惧鐨勫伐浣滅瀹氬苟鍑忓皯缁存姢宸綔閲忥紝鍦按娉靛墠绔缃繃婊崟鍏冿紝閬垮厤鏉傝川鍫靛绠亾鍜屽柗澶达紝寤堕暱璁惧浣跨敤瀵垮懡銆備负浜嗗紩绠殑鏂逛究鍜屾槗鎿嶄綔锛屽湪鑸辩殑搴曢儴鍔犺涓濂楃旱鍚戣杩涜缃?浣胯埍浣撳湪姘村钩杞村悜鍙互绉诲姩銆?銆銆2.3.4瀹氬緞瑁呯疆 銆銆瀹氬緞瑁呯疆涓昏鎺埗PE绠澂鐨勬渶鍒濈洿寰勶紝鑰冭檻鍒癙E绠睘浜庢煍鎬潗鏂欙紝娓害瀵瑰叾鏀剁缉鑶儉褰卞搷杈冨锛屽湪鍒堕犲畾寰勮缃椂搴旈傚綋澧炲瀹氬緞瑁呯疆鐨勫唴寰勩?銆銆2.3.5浜屾鍐峰嵈绯荤粺 銆銆鐢变簬绠澂鍦礋鍘嬪畾寰勮埍鍑哄彛澶勬俯搴粛涓嶈兘闄嶅埌瀹俯锛屽嵆娌湁瀹屾垚鏈缁堝畾寰勶紝瑕佸绠潗杩涜浜屾鍐峰嵈銆傚喎鍗存按娓害鍜屾祦閲忔槸璁捐鍠锋穻璁惧鐨勪富瑕佸弬鏁般傚湪姘存俯鐨勬帶鍒朵笂閲囩敤鍐峰嵈寰幆姘翠负涓诲拰鑷潵姘翠负杈呯殑娣风敤鏂瑰紡锛屽綋缁忓喎鍗村鍐峰嵈鍚庣殑寰幆姘存按娓繃楂樻椂娓帶鐢电闃鎵撳紑锛岃嚜鏉按杩涘叆寰幆姘寸郴缁燂紝浣垮惊鐜按娓害闄嶄綆锛屽綋姘存俯杈惧埌绯荤粺瑕佹眰鍚庢俯鎺數纾侀榾鑷姩鍏抽棴銆傚柗娣嬫柟寮忛噰鐢鐐瑰柗灏勶紝浣縋E绠澂鍚勭偣鍧囧寑鍐峰嵈銆傚柗鍢寸殑鍑哄彛鍘嬪姏搴斾娇姘存垚闆剧姸鍧囧寑鍠锋磼鍦鍧闈? 銆銆2.3.6鐗靛紩瑁呯疆 銆銆鐗靛紩瑁呯疆瀵规帶鍒剁鏉愮殑澹佸帤鍗佸垎閲嶈锛屽湪涓嶅悓鐗靛紩閫熺巼涓婸E绠殑澹佸帤浼氬彂鐢熷彉鍖栵紝涓鑸壍寮曢熺巼蹇垯PE绠鍘氬噺灏忥紝鍙嶄箣澹佸帤澧炲姞銆傜壍寮曡缃噰鐢涓彉棰戣皟閫熺數鏈哄垎鍒鍔鏉饱甯殑鏂瑰紡锛屼娇澶氭潯灞甫鍦悓涓閫熺巼涓嬭浆鍔紝淇濊瘉浜嗗悇鐐圭殑鍚屾鐗靛紩銆傚湪鎺埗灞甫鍜岀鏉愯闈殑鎺鍘嬪姏鏃讹紝閲囩敤浜嗘皵鍔帶鍒剁郴缁燂紝閫氳繃姣斾緥璋冭妭闃鍙簿纭皟鑺傛帴瑙帇鍔涳紝淇濊瘉绠潗鍚勭偣鍙楀姏鍧囧寑锛屽悇鐐瑰墠杩涢熺巼鎭掑畾锛屼粠鑰屾帶鍒禤E绠鍘氥?銆銆 鐢变互涓婂垎鏋愪笉闅剧湅鍑猴紝澶栨姢绠垚鍨嬫椂鐨勬俯搴佽澶囥佸喎鍗淬佸畾寰勫拰鐗靛紩鏄惁鎭板綋锛屼細鐩存帴褰卞搷澶栨姢绠殑鍐呭湪璐噺锛屾墍浠彁璇峰鎶鐢熶骇鍘傚涓牸鐢熶骇宸壓锛屽苟鑳藉鍏峰鍑哄巶妫楠岀殑鑳藉姏锛岀淇濆鎶鍦笅涓閬撳伐搴忎娇鐢椂涓嶄細閫犳垚澶辨晥銆?銆銆2.4 澶栨姢绠數鏅曞鐞?銆銆鍦娇鐢珮瀵嗗害鑱氫箼鐑负澶栦繚鎶眰鐨勯鍒剁洿鍩嬩繚娓鐨勭敓浜繃绋嬩腑锛屽浜庡淇濇姢灞傚拰鑱氭皑閰场娌繚娓眰涔嬮棿鐨勭粨鍚堝己搴紝閲囧彇姣旇緝绠鍗曘佹槗浜庢帶鍒剁殑鏂规硶鏄紝楂樺瘑搴仛涔欑儻绠唴琛潰杩涜鐢垫檿澶勭悊锛屽鍔犲叾琛潰寮犲姏銆傜數鏅曠殑鍩烘湰鍘熺悊涓猴細鍦珮鍘嬨侀珮棰戠數鐨勪綔鐢笅锛岄氳繃鐢垫瀬鐨勫皷绔斁鐢靛師鐞嗭紝鐢數鏋佸皷绔斁鐢典骇鐢熺殑鐢垫檿瀵归珮瀵嗗害鑱氫箼鐑潗鏂欒闈繘琛屽鐞嗐傚鐞嗙殑鐩存帴缁撴灉鏄潗鏂欒闈紶鍔涘鍔犮傛牴鎹疄楠屾樉绀猴紝濉戞枡绠粡杩囩數鏅曞鐞嗗悗锛屾垚鍝佷繚娓鐨勪繚娓眰娉搏涓庡鏂欏澹崇闂寸殑鍓垏寮哄害鍙互澧炲姞鑷冲皯涓鍊嶄互涓婏紝杩欏浜庝繚璇佹暣浣撲繚娓鐨勮川閲忓拰寤堕暱淇濇俯绠殑浣跨敤瀵垮懡鏈夌潃涓嶅彲蹇借鐨勬剰涔夈?銆銆灏辩洰鍓嶄簡瑙埌鐨勬儏鍐碉紝鍥藉唴鐢垫檿宸壓鍙婂叾浣跨敤灏氫笉鏅強锛岄櫎浜嗘瀬涓埆鐢熶骇鍘傚鎷湁杩涘彛鐨勫鏂欑鎸嚭鐢熶骇绾匡紝鍚屾椂閰嶅浜嗚繘鍙殑鐢垫檿璁惧浠锛屽熀鏈笂鍦敓浜鏂欑杩囩涓兘娌湁鐢垫檿鑳藉姏锛屽洜姝娇鐢數鏅曞鐞嗚繃鐨勫鏂欑杩涜鐢熶骇棰勫埗鐩村煁淇濇俯绠殑鍘傚寰箮鍏跺井銆?銆銆缁忚繃鐢垫檿澶勭悊鐨勫鏂欑鍐呰闈渶濂借兘澶熻繘琛岄槻灏樺鐞嗭紝鍚屾椂濉戞枡绠殑鐢熶骇鏃湡鍒颁娇鐢棩鏈熶箣闂存渶濂借兘澶熸帶鍒跺湪涓変釜鏈堜互鍐咃紝鐗瑰埆鍦値鐑殑澶忓鏇村簲褰撶缉鐭瓨鍌椂闂淬傚洜姝鍏呭垎搴旂敤鐢垫檿宸壓锛屽浜庣敓浜巶瀹讹紝杩樺繀椤诲悓鏃舵彁楂樺濉戞枡绠殑鐢熶骇鍜屽簱瀛樼鐞嗘按骞筹紝鏉厖鍒嗕繚璇佺數鏅曟晥鏋滃湪淇濇俯绠腑璧峰埌搴旀湁鐨勪綔鐢?銆銆3 澶栨姢绠簲鍔涢棶棰?銆銆3.1 鐢熶骇杩囩浜敓鐨勫簲鍔涢棶棰?銆銆鐩村煁淇濇俯绠亾瑕佹眰鍦伐鍘傚埗浣滐紝鐢辩閬撳拰閰嶅鐨勫悇绉嶇浠剁粍鎴愶紝棰勫埗淇濇俯绠亾鐢遍挗鍒跺伐浣滅銆佷繚娓眰鍜屽闃叉姢濂楃缁勫悎鑰屾垚銆傚鎶鍦仛姘叝鍙戞场杩囩涓鎶浼氬彈鍒颁竴瀹氱殑搴斿姏锛岃繖涓簲鍔涢渶瑕佸湪宸巶鐨勫仠鏀捐繃绋嬩腑鎱參閲婃斁锛岄渶瑕佷竴瀹氱殑鏃堕棿銆?銆銆3.2 杩愯緭杩囩涓骇鐢熺殑搴斿姏闂 銆銆鐢变簬淇濇俯绠渶瑕佷粠宸巶杩愯緭鍒版柦宸伐鍦帮紝鍦繍杈撹繃绋嬩腑鐨勫悐杩愯鍗搁兘浼氬洜涓烘搷浣滀笉褰撻犳垚澶栨姢绠彈鍒板鍔涳紝褰撳鍔涢泦涓簬鏌愪竴鐐规椂锛屽緢鍙兘閫犳垚澶栨姢绠腑鐨勫唴搴斿姏闆嗕腑锛屼粠鑰屽紩璧峰簲鍔涚牬鍧忋?銆銆3.3 绠亾瀹夎杩囩涓敱浜庣剨鎺佽鍙紩璧峰簲鍔涢棶棰?銆銆绠亾瀹夎杩囩闇瑕佺剨鎺紝鐒婃帴浼氫骇绋嬪眬閮珮娓紝鍚屾椂锛岄渶瑕侀噰鐢儹鐔斿琛彛鍜岀幇鍦烘祰娉仛姘叝鍦鍙鍙戞场锛岃繖浜涙搷浣滀篃浼氬紩璧峰鎶鐨勫簲鍔涢噴鏀撅紝鎿嶄綔涓嶅綋鍙兘浼氬紩璧峰鎶鐨勫簲鍔涚牬鍧忋?銆銆3.4 杩愯杩囩涓唴閮儹浜崲浜敓搴斿姏闂 銆銆鐑姏绠亾涓粙璐俯搴笌鐜娓害瀛樺湪鏄庢樉宸紓锛岄珮娓閬撲粙璐笌鐜娓害宸彲楂樿揪涓鐧炬憚姘忓害浠笂锛屽湪濡傛澶殑娓樊浣滅敤涓嬮挗鍒跺伐浣滅瑕佸彂鐢熸槑鏄剧殑灏哄鍙樺寲锛岄氬父鐢儹鑳鍐风缉鏉弿杩般傞珮娓閬撶殑澶栨姢绠櫧鐒朵笌浠嬭川闅旂潃淇濇俯灞傦紝鐘跺喌涓庡伐浣滅鏈夊樊鍒紝浣嗘槸浠庡伐绋嬭搴潵璁锛屼繚娓眰鍔熻兘鍙槸鎺埗鐑崯澶憋紝鑰屼笉鏄笉浜敓鐑崯澶便傚洜姝紝淇濇俯绠亾鐨勪繚娓眰鍘氬害涓嶆槸鏃犻檺鍘氾紝鍚垯鏄笉缁忔祹鐨勩備繚娓閬撳湪宸綔鏃舵湁鏄庢樉鐨勪紶鐑繃绋嬪瓨鍦紝澶栧绠殑娓害渚垮洜姝槑鏄鹃珮浜庣幆澧冩俯搴紝鑰岀閬撳畨瑁呮椂锛屽鎶鐨勬俯搴彲瑙嗕綔绛変簬鐜娓害锛屼篃灏辨槸璇达紝绠亾浠庢暦璁惧畬姣曞埌鎶曞叆浣跨敤锛屼繚娓鐨勫伐浣滅鍜屽鎶鐨勬俯搴兘鏈夋樉钁楀崌楂橈紝鍙槸宸綔绠殑娓害鍗囧箙鏇村鑰屽凡銆傞拡瀵瑰伐浣滅閬撴俯搴崌楂樹骇鐢熺殑涓绯诲垪闂鍦爺鍙戠洿鍩嬫暦璁炬妧鏈繃绋嬩腑鎻愪緵浜嗚澶氱浉搴旂殑鎺柦銆傜浉姣斾箣涓嬶紝澶栨姢绠緱鍒扮殑鍏虫敞鍒欒緝灏戙傚彲鏄湪宸瀹炶返涓伆鎭版槸澶栨姢绠骇鐢熼棶棰樼殑姒傜巼杈冮珮銆?銆銆4灏忕粨 銆銆鐢变簬浠笂