228.Do the calibration of the resistance of the runway light connection ( )
A. 测量跑道灯连接的电阻。
B. 校准跑道灯连接的电阻。
C. 复核跑道灯连接的电阻。
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1630. When the relief valve opens, the pressure decreases( )
A. 当单向活门打开时,压力降低。
B. 当释压活门打开时,压力增加。
C. 当释压活门打开时,压力降低。
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2562. The 737-a short-to-medium-range airplane-is based on a key Boeing philosophy of delivering added value to airlines with reliability, simplicity and reduced operating and maintenance costs( )
A. 737 飞机,一种中短程飞机,它成功的关键在于波音公司的理念——给航空公司提供附加值,即安全性、操作简单和降低其运营及维护成本。
B. 737 飞机,一种中短程飞机,它成功的关键在于波音公司的理念——给航空公司提供附加值,即可靠性、操作简单和降低其运营及维护成本。
C. 737 飞机,一种中短程飞机,它成功的关键在于波音公司的理念——给航空公司提供附加值,即舒适性、操作简
单和降低其运营及维护成本。
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1481. Before you Servicing of the oxygen-Replenishing, stop all refueling, all repairs on fuel and hydraulic systems, and all procedures that use flammable materials such as cleaning and de-icing materials ( )
A. 勤务氧气前,停止所有的加放燃油,液压系统的所有维修,以及所有使用易燃材料的程序,如清洁和除冰材料。
B. 充氧前,停止所有加油,修理燃油和液压系统,以及所有使用易炸材料的程序如清洁和除冰液。
C. 充氧前,停止所有加油,燃油和液压系统的所有维修,以及所有使用易燃材料的程序如清洁和除冰材料。
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186.把温度计校正到摄氏刻度。( )
A. Calibrate the hygrometer to the celsius scale.
B. Calibrate the thermometer to the celsius scale.
C. Calibrate the clinometer to the celsius scale.
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关于CFM56-5B 发动机启动进入慢车前，转速大于多少时滑油指示变绿
A. N1＞50%
B. N1＞60%
C. N2＞50%
D. N2＞60%
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530.Pushing the ENG FIRE P/BSW [ ] the engine fire extinguishing bottles firing system ( )
A. arms
B. activates
C. releases
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700.如果不进行此修改,则这个部件的使用寿命可能会比平时短。 ( )
A. Without this modification, the service life of the unit can be uncertain.
B. Without this modification, it is possible that the service life of this unit will be shorter than ever
C. Without this modification, it is possible that the service life of this unit will be shorter than usual
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390.在上接近面板涂一层密封胶。 ( )
A. Apply a layer of solvent on the top access panel
B. Apply a layer of sealant on the top access panel
C. Apply a layer of sealant on the bottom access panel
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3054. There is sufficient oil in the tank ( )
A. There is enough oil.
B. Some oil must be drained.
C. More oil must be added.
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