两台发动机泵的吸入管路中有电动阀。

A. Apply three layers of coating.

B. Apply three layers of primer.

C. Apply three layers of bottom primer.

A. “站点”是一个距参考基准面某个距离的位置。

B. “站位”指沿飞机机身的位置,以到基准面的距离来表示。

C. “站位”是飞机机翼上的一个位置，用与参考基准面的距离表示。

A. 引擎多的飞机改出螺旋程序可由代理商分别编写。

B. 多发飞机的改出螺旋程序可由制造商选择。

C. 多台发动机的改出螺旋程序可以包含在飞机制造商的操作手册中。

A. The power required to run an engine, in flight, at the lowest speed that will ensure satisfactory engine operation and airplane handling system.

B. The power required to run an engine, in flight, at the lowest speed that will ensure satisfactory engine operation and airplane handling characteristics.

C. The power required to run an engine, in flight, at the lowest speed that will ensure correct engine operation and airplane handling characteristics.

A. 当用一个词代替另一个词不够充分时，使用另一种结构来书写句子。

B. 使用词对词的更换同时更换句式。

C. 不但要更换单词还要使用另一种结构。

A. The localizer beam is aligned with the centerline of the runway.

B. The localizer way is misaligned with the centerline of the runway.

C. The localizer course is aligned with the centerline of the runway.

A. Manufacturers＇ recommended time limits, maintenance checks and inspections (both planned and unplanned) are arranged in Chapter 5.

B. Manufacturers＇ recommended time limits, maintenance checks and tests (both scheduled and unscheduled) are arranged in Chapter 5.

C. Manufacturers＇ recommended time limits, maintenance checks and inspections (both scheduled and unscheduled) are arranged in Chapter 5.

A. The work must be completed according to the boss instructions.

B. The work must be done in compliance with the instructions in the Maintenance Manual.

C. The work must be done according to the Maintenance Manual ahead of time.

A. "紧急"区别于"异常"是因为在飞行中遇到不同的情况。

B. "紧急"与"异常"之间有不同，可能还由于飞行时的情况而有差异。

C. "紧急"情况和"异常"情况之间的区别也可能取决于飞行时的情况。

A. 其他条款中给出了未在本节涉及的且法律要求的或局方允许或规定的任何限制的声明。

B. 其他限制提供了法规要求的或监管当局允许或批准的任何限制的说明，但本节未特别涉及。

C. 其他限定条款提供了任何限定条款的内容，这些内容是法规要求的或局方允许或规定的，未在本节特别说明。