TECHNICAL DICTIONARY                               133

----------------------- Page 135-----------------------

英汉对照民用航空词典                                 BOEING

SHIMMY DAMPER, A hydraulic device for damping    减摆器，

shimmy in the landing gear wheels.                 用以缓冲起落架轮子摆振的液压装置。

SHOCK STRUT, A component in the landing gear for 减震支柱，

absorbing landing shock by transferring oil from one 起落架上通过计量活门将油液从一室转到另一室以减

chamber to another through a metering valve.     少着陆时产生的冲击震动的部件。

                                  TECHNICAL DICTIONARY                               134

----------------------- Page 136-----------------------

英汉对照民用航空词典                                    BOEING

SHORT CIRCUIT, A fault in an electrical circuit      短路，

occurring when the power supply goes directly to       电路中电源未经电气部件就直接到地线时的电路故障。

ground instead of to an electrical component.

SHORT RANGE ALTITUDE, A cruise altitude chosen to    短程高度，

minimize fuel burn during short trips.                 为在短途飞行中使用最少燃油而选的巡航高度。

SHROUD, A metal covering for enclosing the APU on    防护罩，

the airplane. An external tube for enclosing a fuel hose. 飞机上包围着辅助动力装置的金属罩。包围着燃油软管

                                                     的外管。

SHUTTLE VALVE, A valve in the hydraulic system with  两用活门，

two different hydraulic supplies and one output to a   液压系统中，具有两个不同液压输人管和一个输出管

component.                                           的活门。

SID, SEE - STANDARD INSTRUMENT DEPARTURE             标准仪表离场，

                                                       见Standard Instrument Departure．