A、 It is suggested that nickel plated corrosion resistant steel or nickel-plated steel fittings be used as alternatives for aluminum fittings in the high pressure and normal brake return systems between the antiskid module and parking brake module.
B、 Suggest using vanadium plated corrosion resistant steel or vanadium plated steel fittings as alternatives for aluminum fittings in the high pressure and normal brake return systems between the antiskid module and parking brake module.
C、 It is recommended that cadmium plated corrosion resistant steel of cadmium plated steel fittings be used as replacements for aluminum fittings in the high pressure and normal brake return systems between the antiskid module and parking brake module.
答案：C
A、 It is suggested that nickel plated corrosion resistant steel or nickel-plated steel fittings be used as alternatives for aluminum fittings in the high pressure and normal brake return systems between the antiskid module and parking brake module.
B、 Suggest using vanadium plated corrosion resistant steel or vanadium plated steel fittings as alternatives for aluminum fittings in the high pressure and normal brake return systems between the antiskid module and parking brake module.
C、 It is recommended that cadmium plated corrosion resistant steel of cadmium plated steel fittings be used as replacements for aluminum fittings in the high pressure and normal brake return systems between the antiskid module and parking brake module.
答案：C
A. 发动机的一部分,包括曲轴、主连杆组件、凸轮、凸轮传动齿轮、推杆导轨、滚轮、托架等。
B. 发动机包括曲轴、主连杆组件、凸轮、凸轮传动齿轮、推杆导轨、滚轮、托架等。
C. 发动机中的重要部分,包括曲轴、主连杆组件、凸轮、凸轮传动齿轮、推杆导轨、滚轮、托架等。
A. 多个子系统共有的系统部分,用于对水箱加压以确保水流动。
B. 多个子系统组成一个系统,用于对水箱加压以确保水流动。
C. 一个系统由多个子系统组成,用于对水箱加压以保证水增压。
A. When you do maintenance on the waste water system, make sure that your gloves are put on.
B. Face away from waste water system when you do maintenance on it with gloves.
C. Face away from your gloves when you do maintenance on the waste water system.
A. Set the air conditioning switch to the up position.
B. Place an air conditioning switch above the normal position.
C. Put one of the pack switches in the HIGH position
A. Return lines need not be shown in entirety unless necessary to the understanding of the system.
B. An understanding of the system is necessary for the return line to be displayed in its entirety.
C. The return line does not need to be shown in its entirety unless an understanding of the entire system is required.
A. Personal safety precautions: Warnings regarding steps in where personnel, the work, or equipment can be damaged.
B. Personal safety precautions: Cautions regarding steps in which personnel, the work, or equipment can be damaged.
C. Personal safety precautions: Cautions for steps that must be damage to personnel, work or equipment.
A. magnesium belongs to the combustible materials of Class D fire.
B. Hydraulic fluid, oil and fuel belong to the combustible materials of Class D fire.
C. Paper and wood belong to the combustible materials of Class D fire.
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。
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. 需每隔一年就清理一下过滤器。
B. 有必要持续清理过滤器。
C. 有必要定期清理过滤器。
