A、 Each system is composed of basic components and all equipment, mechanic controls and system related electric and hydraulic units.
B、 Basic components and all apparatus are made up of each system, including mechanical controls and electrical and hydraulic units related system.
C、 Each system includes the basic components and all instruments, mechanical controls, electrical and hydraulic units related to the system.
答案：C
A、 Each system is composed of basic components and all equipment, mechanic controls and system related electric and hydraulic units.
B、 Basic components and all apparatus are made up of each system, including mechanical controls and electrical and hydraulic units related system.
C、 Each system includes the basic components and all instruments, mechanical controls, electrical and hydraulic units related to the system.
答案：C
A. 填充剂可防止系统中的部件受到污染。
B. 过滤器可防止系统中的部件受到污染。
C. 过滤器可防止系统中的部件受到磨损。
A. 当动力源(电动,气动或液压)为单个部件提供服务或为单个功能系统提供服务时,该动力源将包含在其所服务的部件或系统中讨论。
B. 当动力源(电动,气动或液压)为不同的部件提供服务或为不同的功能系统提供服务时,该动力源将包含在其所服务的部件或系统中讨论。
C. 当动力源(电动,气动或液压)为单个部件提供服务或为单个功能系统提供服务时,该动力源将包含在其所服务的部件和系统中讨论。
A. Cycle the unit twice to remove air from the lines.
B. The unit is cycled repeatedly to remove air from the lines.
C. Operate the unit twice to remove air from the lines.
A. Data and parameters are gathered by three computers from the systems and put together on the data link to the display unit.
B. Data and parameters are generated by three computers in the system and are displayed on the display unit through the data link.
C. After analyzing the data and parameters from the system, three computers send the final result to the data link for display.
A. 用直尺和塞尺测量划痕的深度。
B. 用直尺和塞尺测量凹痕深度。
C. 用直边的卡尺测量凹坑的深度。
A. 确保喷漆光滑
B. 确保油漆表面光滑。
C. 确保油漆表面光亮。
A. The emergency exit doors are known as, backup exit and they should not be used in special condition.
B. The emergency exit doors are used for the escape and are not used as the normal exits.
C. The emergency exit doors are applied to board that are not usually used for exit.
A. Make sure that the hydraulic oil can be cleaned.
B. Make sure that there is no dust in the hydraulic fluid.
C. Make sure that the hydraulic fluid is uncontaminated.
A. 确保没有剪断操纵钢索。
B. 确保没有关断控制电源。
C. 确保没有连接控制电缆。
A. The parts or components provide visual or auditory warnings in unconcerned systems.
B. Those assemblies or components provide visual or aural warning in irrelevant systems.
C. Visual or aural warning of conditions in irrelevant systems are supplied by those units or components.
