193.This check is used to examine the engine components or system for leakage when the engine operates at the idle-power position.

A. Normally,it is named “fly by electrical control system”.

B. Normally,we name it “fly by electricalsystem”.

C. This is commonly referred to as “the flight by wire system”.

A. The complexity and stringency of this test or check are different from the operation conditions of the unit.

B. The test or check will change in complexity and stringency no matter what the conditions under which the unit operates.

C. Such tests or checks will vary in complexity and stringency according to the conditions under which the unit functions.

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燃油管齐平。

A. 不要拧松螺母使其对准。

B. 不要拧紧螺母使其对齐。

C. 不要松动螺栓使其对准。

A. The fairway and the runway centerline should align .

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

C. The localizer aligns with the center of the runway.

A. 使用左边的开口,以方便接近。

B. 打开剩下的通道,以方便访问。

C. 通过右边的开口,以方便访问。

A. 每个主燃油箱的通气油箱外侧控制溢出的燃油和排气系统中的燃油。

B. 每个主燃油箱外侧的通气油箱收集溢出的燃油和来自排气系统中的燃油。

C. 每个主燃油箱的通气油箱从外侧防止排气系统中的燃油溢出。

A. System test is normally used at minor maintenance time.

B. System test is usually done during maintenance and repairs.

C. System test is normally used at major maintenance periods.

A. Legal meaning whatsoever and implications couldn't be enclosedto the rules and terms in this document.

B. No legal significance or meanings should be fixed to the regulations and terms in this document.

C. The rules and terms in this document have no legal meaning or imply something.

A. Warnings,cautions and notes may be used to highlight or emphasize important points.

B. Highlight or underline the key points with alerts,attentions and comments.

C. Alerts,cautions and comments can be used to protrude or underline the key points.