----------------------- Page 87-----------------------

英漢對照民用航空詞典                                  BOEING

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

actuators for controlling the flow of hydraulics or 在有些活門和作動筒中的控制元件。用于控制液壓和

pneumatics.                                       氣動的流量。

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

by fuel pressure, for removing water and fuel from a fuel 燃油系統內，由燃油壓力來操作，用于從燃油箱中排除

tank.                                             水和燃油的部件。

                                   TECHNICAL DICTIONARY                               86

----------------------- Page 88-----------------------

英漢對照民用航空詞典                                     BOEING

JOGGLE, An offset in sheet metal construction         折接，

designed to allow one piece to overlap, either higher or 一種平面金屬結構設計的彌補法，使一件金屬與另一

lower, the other piece.                               件相互疊合。

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

current passing through a resistance of 1 ohm for 1     電能單位。一安培電流通過一歐姆電阻一秒鐘所需的電

second. Ignition system energy is measured in joules. 能為一焦耳。點火系統的能量用焦耳度量。

JUMPER WIRE, An electrical connector for temporarily  跨接線，

bypassing part of an electrical current.                用來暫時旁通部份電流的電器連接件。

JUNCTION BOX, A container which serves as a joining   接線盒，

place for electrical connections. May also contain      做為許多電接頭的匯集處的容器。也可能內含電器。

electrical components.

K

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

section (wheel well and under wing center section) to   機身中段輪艙和翼下中段，用以防止機身彎曲的結構。

prevent the fuselage from bending.

KEVLAR, A light, strong synthetic material for        KEVLAR，

secondary airplane structure.                           一種即輕又強的人工合成材料，可供制造飛機的次要構