单选题如果你在泵中发现金属颗粒，找到它们的来源并修理有缺陷的部件。

A、 If you find metal particles in the pump, find their source and repair the defective part.

B、 If magnetic particles are found in the pump, locate their location and repair the affected part.

C、 Locate their source and disassemble the defective part if you find metal objects.

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相关试题

单选题如果说明中有关于危险压力的警告，不要打开容器。

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.

单选题如果机轮温度上升到177度以上，易熔塞的芯就会熔化，轮胎就会漏气。

A、If the wheel temperature reaches as high as 177 deg., the core of safety plug shears off and the tire slips.

B、If the wheel temperature increases to more than 177 deg., the core of the fusible plug melts and the tire deflates.

C、The core of the filter element melts once the wheel temperature is above 177 deg., causing the tire to deflate.

单选题如果在密闭空间使用溶剂，请确保工作区域有良好的空气流通。

A、If you use solvent in a closed space, make sure that there is good airflow in the work area.

B、When using composite in confined space, make sure it has good ventilation.

C、You can not use sealant in enclosed space on condition that there is no good ventilation.

单选题为避免污染，必须在非常清洁的环境里执行该任务。

A、Because of the risk of contamination, you must do this task in a very clean environment.

B、To prevent environmental pollution, this task must be done in a very clean area.

C、In order to prevent contamination, the task you must do is to find a very clean environment.

单选题当逆时针转动排放活门时，没有液体流出，除非按压该活门。

A、Turn the drain valve counterclockwise to cause the fluid to stop flowing before the valve is pushed.

B、When you turn the drain valve counterclockwise, no fluid will flow until you push the valve in.

C、Make sure there is no fluid flowing after the valve is pushed, then turn the drain valve clockwise.

单选题如果污染物造成孔堵塞超过50%，就要清洁显示组件后面的孔。

A、If as many as 50% of the holes are contaminated, you should clean the display units behinds the holes.

B、The holes on the bottom of the display unit should be cleaned once over 50% of them are clogged due to contamination.

C、If contamination causes a blockage of more than 50 percent of the holes, then clean the holes on the rear of the display units.

单选题如果两个舱中有一个舱被水银污染，立即清洁该区域。

A、Immediately clean the area if one of the two compartments is affected by lead contamination.

B、If there is mercury pollution in the compartments, clean one of the two areas immediately.

C、If there is mercury contamination in one of the two compartments, clean the area immediately.

单选题初始表面涂饰和新表面涂饰之间不应有视觉差异。

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.

单选题 如果你在泵中发现金属颗粒，找到它们的来源并修理有缺陷的部件。