航海英语三副题库3300注释(4)

1、1163-back-up wire Back-up wire to connect chain to base of windlass or other suitable securing point 116811821218 南北半球两个副热带高压之间气压最低、气流汇合的地带就称为热带辐合带，它是热带地区主要的、持久的大型天气系统，有时甚至可以环绕地球一圈。它的移动、 强弱变化对热带地区的长、中、短期天气变化影响极大。一般分为无风带和信风带两种类型。大多数热带气旋(台风)产生在辐合带中。 1223-1257-web frame12991330 Thievage-the measurement

2、 of free water in a cargo tank through the use of an instrument or water-finding paste on a bob Innage-剩油量，剩余货物。.13311339- In meteorology, Buys Ballots law may be expressed as follows: In the Northern Hemisphere, if a person stands with his back to the wind, the low pressure area will be on his left

3、.1 This is because wind travels counterclockwise around low pressure zones in the Northern Hemisphere. It is approximately true in the higher latitudes of the Northern Hemisphere, and is reversed in the Southern Hemisphere, but the angle between the pressure gradient force and wind is not a right an

4、gle in low latitudes.13411344 a timepiece or timing device with a special mechanism for ensuring and adjusting its accuracy, for use in determining longitude at sea or for any purpose where very exact measurement of time is required. 13451348-Becket Bend(sheet bend)bowlineClove hitchLarks head1249 W

5、ire rope tends to kink during uncoiling or unreeling, especially if it has been in service for a long time. 13811393-kink take a turn under1392 A vertical open faced diamond shape to mean danger. A vertical open faced diamond shape having a cross centered in the diamond to mean that a vessel is excl

6、uded from the marked area. A circular shape to mean that a vessel operated in the marked area is subject to certain operating restrictions. A square or rectangular shape with directions or information lettered on the inside.1422142714281442Flat seizingRacking seizingThroat seizing14451459-granny kno

7、tIt was said to be a square knot done wrong by a granny 1477-daggerboard1537Becket bend=sheet bend单编结单编结Bowline单套结单套结1543-gantline15461553 Sailboats vessels not under command restricted in ability to maneuver towing or pushing another vessel engaged in fishing with nets or trawling: One prolonged fo

8、llowed by two short blasts sounded at two-minute intervals. 155515561580-rotary grinder1583-tow hook for quick release1597-general emergency alarmThe general emergency signal is a signal used on board cruise ships in times of emergency. The signal is composed of seven short blasts followed by one lo

9、ng blast on the ships whistle and internal alarm system. Within 24 hours of embarkation of all passengers, the crew will conduct a mandatory muster drill in which the General Emergency Signal is sounded. The purpose of the drill is to educate passengers of emergency procedures should an actual emerg

10、ency occur. The signal alerts passengers of an emergency so that they will begin proper procedures in which all persons collect their life jackets and proceed to their assigned muster stations. There is also an abandon ship alarm which is used should it become necessary to abandon ship, after all ot

11、her efforts have been exhausted. This signal is given audibly by the ships Master (aka Captain) over the PA system. It is never given by automatic means or with recorded media. 1614-gnomonic projection1638-cirrocumulus1640-Coriolis effect Once air has been set in motion by the pressure gradient forc

12、e, it undergoes an apparent deflection from its path, as seen by an observer on the earth. This apparent deflection is called the Coriolis force and is a result of the earths rotation. 1652-liferaft towing bridle1654-kort nozzle1669Articulated anchorFlipper delta anchorBaldt anchor1674Long spliceLai

13、d rope-braided rope1693-two blocked The term “two-blocked” means that both blocks of a tackle are as close together as they will go. You may also hear this term called block-and-block. To overhaul is to lengthen a tackle by pulling the two blocks apart. To round in means to bring the blocks of a tac

14、kle toward each other, usually without a load on the tackle (opposite of overhaul). 1708-gas freeingFor carrying out Gas Freeing of the tank After cargo discharge / tank cleaning, whenever it is necessary to gas free an empty tank containing hydrocarbon gas mixtures or a mixture of IG + HC gases, it

15、 shall first be purged, using inert gas, until the HC (hydrocarbon) content reaches to below the critical dilution line or HC concentration in the tank atmosphere is less than 2% by volume. This is done so that during the subsequent gas freeing no portion of the tank atmosphere is brought within the

16、 flammable range. This inert gas used for purging shall contain Oxygen, less than 5% by volume, to ensure the above.The replacement of a tank atmosphere by inert gas can be achieved by either Inerting or Purging. In each of these methods one of two distinct processes, Dilution or displacement, will

17、predominate. For more details on gas evolution, venting and dispersion criteria and precautions, refer to the relevant ISGOTT chapters. 1724-Fire classComparison of fire classesAmericanEuropeanAustralian/AsianFuel/Heat sourceClass AClass AClass AOrdinary combustiblesClass BClass BClass BFlammable liqu