TRANSDUCER                                           见 Rotary Variable Differential Transducer.

S

SAFETY RELIEF VALVE, A valve in the pressurization 安全释压活门，

system for reducing cabin pressure to a safe operating 在增压系统中，使座舱压力减低至一个安全的工作压力

pressure.                                          的活门。

SAT, SEE - STATIC AIR TEMPERATURE                  静温，

                                                     见Static Air Temperature．

                                   TECHNICAL DICTIONARY                                129

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英汉对照民用航空词典                                     BOEING

SCAVENGE, To remove oil from the engine bearings or   回油，

to remove water/fuel by a pump from a tank.             除去发动机轴承的滑油，或用泵来除去油箱内的水和燃

                                                      油。

SCHEDULE GENERATOR, An electronic component in        程序产生器，

the pressurization system for controlling the operation of 在增压系统中，用来控制外流活门工作的电子部件。

the outflow valve.

SCHRAEDER VALVE, A valve for inflation of tires,      Schraeder活门，

struts and accumulators and for pressurizing the water   Schraeder公司出品的一种活门，用以为轮胎、减震支

tank from outside.                                    柱和蓄压器充气，也用于从外面为水箱增压。

SCR, SEE - SILICON CONTROLLED RECTIFIER               硅可控整流器，

                                                        见Silicon Controlled Rectifier．