时间:2011-02-23 15:18来源:蓝天飞行翻译 作者:航空 点击:次
boil /b..l/ verb to heat a liquid until it reaches a temperature at which it changes into gas . Water boils at 100°C. . boiling point the temperature at which a liquid changes into gas . The boiling point of water is 100°C. bolt /b.υlt/ noun 1. a metal rod with a head, which screws into a nut . The two halves of the wheel are held together by bolts. 2. . bolt of lightning one electri-cal discharge of lightning . verb to attach with a bolt . Aircraft wheels are constructed in two halves which are bolted together. bond /b.nd/ noun the power that holds surfaces together, when they are joined using heat, cold, chemicals or glue . The de-icing boot breaks the bond between the ice and the outer skin. . verb to join surfaces together nor-mally using heat, cold, chemicals or glue . The skin is bonded to the internal members by the redux process. boom /bum/ noun in some aircraft, a spar that connects the tail to the fuse-lage boost /bust/ noun an increase or improvement . The improvement in a country’s economy often gives a boost to the airline industry. . verb 1. to make or to help something increase . An oil pump boosts engine oil pressure. 2. to increase . The instructor’s comments boosted the student pilot’s confidence. booster /bust./ noun a device which increases the force or amount of something booster pump /bust. pmp/ noun a centrifugal pump often positioned at the lowest point of a liquid fuel tank to ensure positive pressure in the supply lines to the engine . Fuel is fed through a filter and a booster pump. . The pur-pose of the booster pump is to prevent fuel aeration. boot /but/ noun one of a set of flat, flexible tubes bonded to the leading edge or wings and other surfaces which, when pressurised with fluid, break up ice . The boots on the leading edge of the wings were damaged by hail.
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