A、 Circuit breaker is a device which opens an electrical circuit when an excess of voltage.
B、 Circuit breaker can be reset after the fault fixed.
C、 Circuit breaker is no more serviceable and needs to be replaced at once after an excess of current flows that causes it open.
答案：B
A、 Circuit breaker is a device which opens an electrical circuit when an excess of voltage.
B、 Circuit breaker can be reset after the fault fixed.
C、 Circuit breaker is no more serviceable and needs to be replaced at once after an excess of current flows that causes it open.
答案：B
A. 用于指示低压的压力计使用更灵活的管子,更容易展开和卷绕
B. 用于指示较低压力的仪表使用更易弯曲的管子,线圈更易散开和缠绕。
C. 用于指示较低压力的压力表使用的软管更加柔软,可以随时解开和盘绕。
A. Do not use much too detergent to clean the carpet, otherwise the residual detergent may damage the carpet;
B. Do not use excessive detergent to clean the carpet, or the residual detergent may damage the carpet;
C. Do not use too much detergent to clean the carpet, otherwise the last detergent may damage the carpet.
A. 调节钢索张力到恰当的范围
B. 正确调节钢索张力
C. 用正确的方法调节钢索
A. That portion of the system which controls the pitch of the propeller blades. Includes items such as governor, synchronizers, switches, cables, levers, etc. Does not include any parts which rotate with the propeller assembly.
B. The part of a system that controls the pitch of a propeller. Includes accelerators, synchronizers switches, cables, rods, etc. Excludes any parts moving with the propeller assembly.
C. The part of a system that controls the Angle of a propeller blade. Includes governor, synchronizer switch, cable, rod, etc. Excludes any parts moving with the propeller assembly
A. 当需要了解膜片时,使用箭头指示方向。
B. 必要时应使用箭头表示流向来理解原理图。
C. 利用箭头指示的方向来理解线路施工图。
A. Remove the magnetic drain plug from the oil tank.
B. Replace the magnetic drain plug of the oil tank.
C. Remove the magnesium drain plug from the hydraulic reservoir.
A. Clean the area where you applied the sealant.
B. Clean the area that you attach the fluid.
C. Clean the area which you add the agent.
A. 零部件制造商或供应商提供的维修数据可以逐字包含在维护手册中,也可以由飞机制造商进行适当修改。
B. 零部件制造商或供应商提供的技术数据可以逐字包含在维护手册中,也可以由飞机制造商进行适当修改。
C. 零部件制造商或供应商提供的技术数据可以逐字包含在维护手册中,也可以由部件制造商进行适当修改。
A. The information is applicable to the entire system.
B. The message is apply to the section system.
C. This information is apply to the whole system.
A. If the engine appears to be heating, turn it off.
B. If the engine appears to be overheating, turn it off.
C. If you think the engine is too hot, turn the switch to off"＇"
