867、Database synchronization is in progress.

A. 　如果电瓶需要断电/则断掉电源。

B. 　如果电瓶需要充电,则继续接通电源。

C. 　如果需要更换电瓶,则接通电源。

A. 　 The airworthiness and safe operation of an airplane is assured if it's used as its original design purpose,properly inspected and carefully maintained.

B. 　 The manufacturer is intended to utilize an airplane with sound inspection and maintenance practices because that is the basis for assuring the airplane remains airworthy and safe to operate.

C. 　 The airplane is designed to be used as the manufacture 's intention. Users shall properly inspect the airplane and do sufficient maintenance to assure its airworthiness and operation safety.

A. 　、 lf the filters become clogged after an unusually short time, send them to the laboratory for analysis of the
contamination.

A. 　 Airline operators should determine and carry out the most effective and economic maintenance interval
after ‘evaluating their particular737NG operating environment and the debris found when cleaning.

B. 　 In order to find the most effective and economic maintenance interval, airline operators have to evaluate
and clean the debris accumulated in particular areas of 737NG.

C. 　 Before identifying the most effective and economic maintenance interval, airline operators can evaluate
the 737NG operating environment by cleaning the debris.

A. 　The compartment which is above the floor and between the forward passenger partition and the backward
pressure dome is flight compartment.

B. 　 Flight deck is the compartment below the floor and between the forward passenger partition and the
forward pressure dome.

C. 　 The definition of the flight compartment is the compartment which is above the floor and between the
forward passenger partition and the forward pressure dome.

A. 　按照制造商的计划要求使用飞机,结合例行检查和维护实践,从而构成飞机保持适航和安全运行的基础。

B. 　按照制造商的要求使用飞机,结合合理的检查和维修实践,形成了确保飞机保持适航和安全运行的基础。

C. 　由制造商决定飞机的使用,结合良好的检查和维修实践,以构成飞机保持适航性和安全运行的基础。

A. 　如何识别这些故障,排故信息以及这些故障的补救措施应该提供

B. 　 此规章应提供可能故障的排故信息,以及对这些故障的补救措施

C. 　应提供描述可能故障的排故信息,如何识别这些故障,以及针对那些故障的纠正措施

A. 　不要让清洁剂接触带有瑞尔森(Rilsan)涂层的零件

B. 　不要使用含氯的溶剂清洁带有瑞尔森(Rilsan)涂层的零件。

C. 　不可以使用含氯的瑞尔森(Rilsan)溶液清洁带有涂层的零件。

A. 　 The flow of the system can be traced as easily as possible through the arrangement of the diagram.

B. 　 A reasonable distribution of the diagram helps to duplicate the flow of the system with least difficulties.

C. 　 The diagram shall be arranged in order to draw a minimum flow of the system without effort.

A. 　飞机燃油系统从中央或主油箱提供增压的燃油。

B. 　飞机燃油供应系统给来自中央或主油箱的燃油增压

C. 　飞机燃油系统提供燃油,这些燃油是从中央或主油箱增压的。