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英汉对照民用航空词典                                  BOEING

JET PIPE, A control component in some valves and   喷射管，

actuators for controlling the flow of hydraulics or 在有些活门和作动筒中的控制元件。用于控制液压和

pneumatics.                                       气动的流量。

JET PUMP, A component in the fuel system, operated 引射泵，

by fuel pressure, for removing water and fuel from a fuel 燃油系统内，由燃油压力来操作，用于从燃油箱中排除

tank.                                             水和燃油的部件。

                                   TECHNICAL DICTIONARY                               86

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英汉对照民用航空词典                                     BOEING

JOGGLE, An offset in sheet metal construction         折接，

designed to allow one piece to overlap, either higher or 一种平面金属结构设计的弥补法，使一件金属与另一

lower, the other piece.                               件相互叠合。

JOULE, A unit of electrical energy of 1 ampere of     焦耳，

current passing through a resistance of 1 ohm for 1     电能单位。一安培电流通过一欧姆电阻一秒钟所需的电

second. Ignition system energy is measured in joules. 能为一焦耳。点火系统的能量用焦耳度量。

JUMPER WIRE, An electrical connector for temporarily  跨接线，

bypassing part of an electrical current.                用来暂时旁通部份电流的电器连接件。

JUNCTION BOX, A container which serves as a joining   接线盒，

place for electrical connections. May also contain      做为许多电接头的汇集处的容器。也可能内含电器。

electrical components.

K

KEEL BEAM, A structural beam in the fuselage center   腹梁，

section (wheel well and under wing center section) to   机身中段轮舱和翼下中段，用以防止机身弯曲的结构。

prevent the fuselage from bending.

KEVLAR, A light, strong synthetic material for        KEVLAR，

secondary airplane structure.                           一种即轻又强的人工合成材料，可供制造飞机的次要构