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英漢對(duì)照民用航空詞典                                     BOEING

SUMMATION UNIT, An electronic component for           燃油總和器，

adding fuel quantities in all tanks sending a signal to the 將所有燃油箱內(nèi)的燃油量相加，并將總油量用信號(hào)傳至

total fuel quantity display.                          油量顯示器的電子部件。

SUMP, A lowest point in the engine oil system or fuel 集油槽，

tank.                                                   發(fā)動(dòng)機(jī)滑油系統(tǒng)內(nèi)，或燃油箱內(nèi)的最低點(diǎn)。

SUPPLEMENTAL DATA, Additional data stored in the      增補(bǔ)數(shù)據(jù)，

FMC memory, supplementing the loaded navigation         飛行管理計(jì)算機(jī)存儲(chǔ)器中的附加數(shù)據(jù)。用于補(bǔ)充導(dǎo)航數(shù)

data base.                                            據(jù)庫(kù)。

SUPPLEMENTARY MODES, Additional digital flight        輔助方式，

control system modes that are available, used when      附加的數(shù)字飛行控制系統(tǒng)方式，當(dāng)偏離正常方式時(shí)使

deviating from normal modes.                          用。

SURGE, A sudden change in the airflow through the     喘振，

compressor resulting in the compressor not being able     由于通過(guò)發(fā)動(dòng)機(jī)的壓氣機(jī)的氣流的突然改變，而導(dǎo)致

to compress the airflow.                              壓氣機(jī)不能壓縮空氣的現(xiàn)象。

SWAGE, To squeeze together two or more items to       陷型模，

form a permanent unit. Example: a lead or steel piece   擠壓兩件或兩件以上的物體來(lái)制造一件永久性的元件。

on a cable which forms a stop or camlike unit. Also to 例如：一塊鉛或鋼在鋼索上形成一個(gè)止動(dòng)器或凸輪之類(lèi)的

reduce the diameter of tubing.                        元件。也可作減小管道的直徑之用。

SWITCH, A device which changes the condition of an    開(kāi)關(guān)；

electrical system from on/off or open/close.              改變電氣系統(tǒng)通／斷或開(kāi)／關(guān)的裝置。

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