A、 When someone is working in a fuel tank you must stay next to the tank at all times.
B、 When you do work in a fuel tank you must stay close to the tank at all times.
C、 When one person does work in a fuel tank another person must be outside the tank at all times.
答案:C
A、 When someone is working in a fuel tank you must stay next to the tank at all times.
B、 When you do work in a fuel tank you must stay close to the tank at all times.
C、 When one person does work in a fuel tank another person must be outside the tank at all times.
答案:C
A. There is one shutoff valve on each air-driven pump (ADP)assembly.
B. Each pump assembly has a fire cock.
C. There is one dump valve on each air-driven pump (ADP)assembly.
A. The overall power package includes engine, air intake, mount, cowling, scoops, cowl flaps, cooling baffles, etc.
B. The engine inclusive of engine, air intake, mount, cowling, scoops, cowl flaps, cooling baffles, etc.
C. The overall power package inclusive of engine, air intake, mount, cowling, scoops, cowl flaps, cooling baffles, etc.
A. The retaining clip must move quickly into position.
B. The retaining clip should move quickly into position.
C. The retaining clip should move quickly look.
A. 安装封严时不要过度拉伸
B. 安装时非必要不要拉伸封严
C. 不要过度拉伸安装的封严
A. 转速计
B. 温度计
C. 电位计
A. Turn the body of the closure assist assembly with a wrench to pull the two thrust reverser doors together until you can engage the latches at the bottom of the doors.
B. Turn the main body of the closing aid with a crowfoot and pull the two throttle reverser doors together until you can connect the bolts at the bottom of the door.
C. Use a wrench to turn the main body of the closing auxiliary assembly and pull the two reverse doors together until you can attach the locks at the bottom of the door.
A. 确保皮托管温度增加至500摄氏度以上。
B. 确保机外环境温度增加500摄氏度。
C. 确保探头温度增加至500摄氏度以上。
A. 基本上,作者可以使用字典中已批准的词汇作为核心词,
B. 在主要部分中,作者可以使用字典中已认可的词汇作为核心词。
C. 在基础部分中作者可以使用字典中已核实过的词汇作为核心词。
A. 雨刷开关是一个分压器,向马达电子控制组件发送不同的电压信号,以提供间歇、低速和高速雨刷操作。
B. 雨刷开关是一个分压器,向马达电子控制组件发送不同的电压信号,以提供连续、低速和高速雨刷操作。
C. 风挡开关是一个分压器,向马达电子控制组件发送不同的电压信号,以提供间歇、低速和高速风挡操作。
A. 当反推装置收回时,人员要呆在飞机附近
B. 当动力装置展开时,使人员离开飞机
C. 当反推装置展开时,让人员远离飞机