A、 火灾是因为过热或者有火焰的液体泄漏,并且可能飞机不安全了。
B、 火灾可由过热或易燃液体泄漏引起,并且可能飞机就危险了。
C、 火灾可由过热或易燃流体泄漏引起,并可能危及飞机安全。
答案:C
A、 火灾是因为过热或者有火焰的液体泄漏,并且可能飞机不安全了。
B、 火灾可由过热或易燃液体泄漏引起,并且可能飞机就危险了。
C、 火灾可由过热或易燃流体泄漏引起,并可能危及飞机安全。
答案:C
A. China's first large passenger plane C919 flew successfully on May 5.—Yes. What's more, it was built with some help in Shanghai.
B. China's first large passenger plane C919 flew successfully on May 5.—Yes. What's more, it was built from our friends in Shanghai.
C. China's first large passenger plane C919 flew successfully on May 5.—Yes. What's more, it was built by ourselves in Shanghai.
A. 维修手册中某些章节的技术资料的编写,需要机身制造商和用于制造整架飞机的各种其他部件的制造商共同奉献和密切计划。
B. 维修手册中某些章节的技术资料的编写,需要机身制造商和整机其他各制造商共同奉献和密切计划。
C. 维修手册中某些章节的技术资料的编写,需要机身制造商和用于制造整机的各种其他部件的制造商共同合作和密切协调。
A. 对于小型或相关复杂的飞机,可以使用简化的索引方法。
B. 对于小型或相对不复杂的飞机,可以使用简化的索引方法。
C. 对于小型或相对不复杂的飞机,可以使用缩写方法来标注使用。
A. The wire must touch the front of the contact.
B. The wire must bond the rear of the contact.
C. The wire must touch the rear of the contact.
A. If you cannot remove a nut because of corrosion, apply penetrating oil.
B. If you cannot disassembly a bolt because of corrosion, use penetrating oil.
C. If you cannot remove a bolt because of corrosion, apply penetrating oil.
A. 当系统被激活时,您将得到一个报告。
B. 当系统处于活动状态时,您将得到一个报告。
C. 当系统在活动时,您将得到一个报告。
A. After the assembly is installed, it is lifted by the car
B. After the assembly is installed, it is lifted by the hoist
C. After the assembly is installed, it is lifted by the handle
A. Both particle and chemical contaminants can adversely affect the nature and longevity of aircraft hydraulic system components.
B. Particular and chemical contamination is not conductive to the property and lifespan of aircraft hydraulic system.
C. The pollution of dust and chemicals will damage the performance and life of components in the aircrafts hydraulic system.
A. A body whose position changes with time is said to be moving.
B. If a body change its position with time, it is considered to move.
C. If a body is changing its position and time, it is said to be moved.
A. 请参阅相应的制造商维修手册
B. 请参阅授权的制造商维修手册
C. 请参阅相应的供货维修手册