A、 If there are metal fragments in the liquid sample,replace the pump.
B、 If there are only small metal particles in the solid sample,replace the pump.
C、 If there are metal particles in the sample solids,replace the pump.
答案：C
A、 If there are metal fragments in the liquid sample,replace the pump.
B、 If there are only small metal particles in the solid sample,replace the pump.
C、 If there are metal particles in the sample solids,replace the pump.
答案：C
A. That portion of the system provides for rolling and stopping the aircraft while on the ground and stopping wheel rotation after retraction,including items such as swivel glands,anti-skid devices,pressure indicators,plumbing,etc.
B. That portion of the system provides for rolling and stopping the aircraft while on the ground and stopping wheel rotation after retraction,including items such as wing illumination,warning light dimming systems,pressure indicators,plumbing,etc.
C. That portion of the system provides for rolling and stopping the aircraft while on the ground and stopping wheel rotation before retraction,including items such as supply valves,anti-skid devices,pressure warning systems,plumbing,etc.
A. So,you'd have to note down short sentences in simple sentence structures.
B. Thus,you have to write shortly and use simple sentences.
C. Therefore,you must write short sentences and use simple sentence structure.
A. Make sure that there is something in the pipe.
B. Make sure that there is nothing in the pipe.
C. Make sure that blockage is in the pipe.
A. 不要给螺栓施加过大力矩。
B. 安装螺栓时不要用太大的力。
C. 不要用太大的力来拧紧螺栓。
A. 如果你没有对 APU 滑油量进行常规监控,请执行以下步骤以确保 APU 滑油量足以用于飞行。
B. 如果你没有定期监控 APU 滑油消耗量,请执行以下步骤以确保 APU 滑油量足以用于飞行。
C. 如果你没有对 APU 滑油剩余量进行常规监控,请执行以下步骤以确保 APU 滑油量足以用于飞行。
D. B.如果你没有定期监控 APU 滑油消耗量,请执行以下步骤以确保 APU 滑油量足以用于飞行。
E. C.如果你没有对 APU 滑油剩余量进行常规监控,请执行以下步骤以确保 APU 滑油量足
F. C.如果你没有对 APU 滑油剩余量进行常规监控,请执行以下步骤以确保 APU 滑油量足以用于飞行。
A. 不允许通过扭转螺母将紧固件拉入孔内。
B. 在拧紧紧固件的时候要保持螺母不转动。
C. 拧紧紧固件与孔对齐,固定住螺母不要转动。
A. The drain float valves in the vent tubes and the vent channels dilute the fuel in the vent system to drain out of the tank when the fuel face is lower than the valve.
B. The drain float valves in the vent tubes and the vent channels permit fuel in the vent system to drain into the tank when the fuel level is lower than the valve.
C. The drain float valves in the vent tubes and from the vent channels allow the fuel in the vent system to drain into the tank when the fuel quantity is lower than the valve.
A. 系统中用来生成电流点燃燃烧室和加力燃烧室中油气混合气的那部分。
B. 系统中产生电流以点燃燃烧变大器和推力增大器中的燃料混合物的部分。
C. 系统中产生电流以点燃燃烧变大器和推力缩小器中的燃料混合物的部分。
A. 如果你看到染色,拆卸部件。
B. 如果你看到变色,更换部件。
C. 如果你看到有颜色,移除部件。
A. The engine and all additional facilities use indifferent lubricants.
B. The engine uses multiple types of lubricants for different purposes.
C. The engine and all auxiliary equipment use the same lubricant.
