A、 Block to block time is the elapsed time since an aircraft leaving the departure ramp for the purpose of flight, until its reaching the arrival ramp at the end of the flight.
B、 Block to block time is the amount of elapsed time between an aircraft landing the ramp and departure ramp for the purpose of next flight.
C、 Block to block time is the amount of elapsed time since the aircraft starts a heavy maintenance check, until the maintenance check completed.
答案：A
A、 Block to block time is the elapsed time since an aircraft leaving the departure ramp for the purpose of flight, until its reaching the arrival ramp at the end of the flight.
B、 Block to block time is the amount of elapsed time between an aircraft landing the ramp and departure ramp for the purpose of next flight.
C、 Block to block time is the amount of elapsed time since the aircraft starts a heavy maintenance check, until the maintenance check completed.
答案：A
A. Use the rigging pin to lock the pulley.
B. Use the pulley to lock the rigging pin.
C. The rigging pin should be locked by the pulley.
A. 供给系统有这些用处。
B. 分散系统有这些功能。
C. 分配系统有这些功能。
A. 空气通过隔栅和过滤器进入洗手间。
B. 通过厨房的空气流入格栅和气滤。
C. 空气通过格栅和过滤器进入厨房。
A. 停在地面时,在液力系统没有增压的清况下,升降舵的正常位置是低垂位到伺服控制止挡
B. 在地面模式,在液力系统没有增压的清况下,升降舵的正常位置是向下偏转到伺服控制止动位
C. 在地面时,在液力系统增压的清况下,升降舵的正常位置是向下偏转到伺服控制止动位
A. Do not open the container if you are instructed that high pressure is dangerous.
B. If it states on the container that the pressure inside is high, do not open it.
C. If the instructions give a warning about dangerous pressure, do not open the container.
A. 可以使用插图,图形和表格。 在实际应用中它们的位置应靠近文本的相关部分。
B. 可以使用插图,图形和表格。 它们的位置应尽可能靠近文本的相关部分。
C. 可以使用插图,图形和表格。 在实际应用中它们的位置应紧挨文本部分。
A. Visual difference is acceptable between the previous surface and the new surface.
B. There should be no visual difference between the initial surface finish and the new surface finish.
C. It is forbidden to have acoustic difference between the former surface finish and the new surface finish.
A. Make sure that the tension of the wire is correct.
B. Make sure that the tension in the cables is correct.
C. Make sure that the torque of the cable is correct.
A. 将孔铰成比标准尺寸大 0.20 英寸。
B. 将孔铰成比标准尺寸大 0.20 英尺。
C. 将孔定位成比标准尺寸大 0.20 英寸。
A. When the pump turns each rotation, a constant displacement is moved by the constant displacement pump.
B. Constant displacement pump is a pump that moves a constant volume of fluid with each roration and the pump operates at the constant speed.
C. Constant displacement pump moves a constant volume of fluid and provides a constant output pressure with each roration.
