A、 You can use electric motors to drive fuel and hydraulic pumps or to drive a valve to the commanded position in the fuel. hydraulic or air conditioning system or to move doors and cargo containers
B、 Electric motor can drive fuel and hydraulic pumps or drive a valve to the commanded position in the fuel. hydraulic or air conditioning system or move mechanical parts like doors and cargo containers to produce mechanical power
C、 Electric motor produce mechanical power and their main functions are to drive fuel and hydraulic pumps, to drive a valve to the commanded position and to move mechanical parts like doors and cargo containers
答案：C
A、 You can use electric motors to drive fuel and hydraulic pumps or to drive a valve to the commanded position in the fuel. hydraulic or air conditioning system or to move doors and cargo containers
B、 Electric motor can drive fuel and hydraulic pumps or drive a valve to the commanded position in the fuel. hydraulic or air conditioning system or move mechanical parts like doors and cargo containers to produce mechanical power
C、 Electric motor produce mechanical power and their main functions are to drive fuel and hydraulic pumps, to drive a valve to the commanded position and to move mechanical parts like doors and cargo containers
答案：C
A. Draw a picture with the brush
B. Use a brush to apply the solution on
C. Put the solution on the brush
A. 所有三个螺栓孔必须与燃油管匹配。
B. 所有三个支架孔必须与燃油管对齐。
C. 所有三个支架孔必须与然油管齐平。
A. Operators should inspect both reservoirs for appropriate servicing in the meantime;
B. Operators should inspect both reservoirs for pressure servicing during the same inspection;
C. Operators should inspect both reservoirs for excess servicing in the meantime;
A. 第一个步骤有时是工作准备,收尾或收工是接下来的步骤。
B. 工作准备总是第一个步骤,收尾或收工总是接下来的步骤。
C. 工作准备总是第一个步骤,收尾或收工总是最后一个步骤。
A. Hoist the outflow valve toggle switch in the OPEN position until the outflow valve position indicator shows FULL OPEN.
B. Hoist the outflow valve trigger switch in the OPEN position until the outflow valve position indicator shows FULL OPEN.
C. Hold the outflow valve toggle switch in the OPEN position until the outflow valve position indicator shows FULL OPEN.
A. If there are metal deflections in the oil filter, check the filter element for wear;
B. If there are metal decrements in the oil filter, check the filter element for wear;
C. If there are metal deposits in the oil filter, check the filter element for wear;
A. 确保电动机操作顺滑。
B. 确保发电机平稳运行。
C. 确保生产者顺利操作。
A. Look the oil level clearly through the window.
B. Look the oil lever clearly through the window.
C. Check the oil level through the window.
A. 请勿在不锈钢控制电缆上涂抹溶剂、油脂或油。 这些材料可能会积聚污染,从而对CRES电缆绞线的内表面造成损坏。
B. 请勿在不锈钢控制电缆上涂抹溶剂、油脂或油。 这些材料可能会积聚污染,从而对CRES电缆线束的内表面造成损坏。
C. 请勿在不锈钢控制电缆上涂抹溶剂、油脂或油。 这些材料可能会导电,从而对CRES电缆线束的内表面造成损坏。
A. 给计算机备份文件,常规时期
B. 定期备份计算机文件
C. 定期清理计算机文件
