The metering plug decreases the fuel flow.

A. One of the safety precautions is to keep the combustible material from the work area at distance of 50ft at least.

B. One of the safety precautions is to keep the flammable material from the work area at distance of 50ft at least.

C. One of the safety precautions is to keep the combustible material from the work area at a minimum distance of 50ft.

A. 为了重复步骤，耦合器问收发机要另一个调谐电源的简短降级。

B. 耦合器问收发机要另一个调谐电源的简短降级目的是步骤简化。

C. 对于校准步骤，耦合器向收发机要求另一个调谐电源的短暂降级。

A. Alternates for equipment may be listed under the same item number. For installations made up of a number of units which my be located at various places in the airplane, each unit should be listed separately.

B. Alternative equipment can be listed under the same item number. Multiple identical components installed in different locations of the aircraft should be listed uniformly.

C. Different equipment may be substituted for each other and listed under the same item number. Multiple identical units installed on different aircraft should be listed individually.

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. 需要对特征或特点的补充描述，使数据更加完善。

B. 若有需要，对附加的特征或特性加以简明描述，可以使数据得到补充。

C. 若有需要，指标的额外特征或特性将是其原有基础描述上的补充。

A. 时刻是一个项目的重量和它的手臂的乘积。

B. 力矩是一个项目的重量除以它的力臂的产物。

C. 力矩是一个项目的重量乘以它的力臂的乘积。

A. 有关可执行要求的检查和制造商推荐的检查的人员，可参考本节中提及的《联邦航空法规》（FAR 43部和91部或其他适用的法律）。

B. 本节应提及，针对有资格实施必要检查和制造商所推荐检查的人员，应参考《联邦航空法规》（FAR 43部和91部或其他适用的法规）。

C. 本节须提供参考《联邦航空法规》（FAR 43部和91部或其他适用的法规）有关谁可以执行要求的监测和制造商推荐的监测。

A. 燃油泵安装在隔框附近。

B. 燃油泵与隔框安装紧密。

C. 滑油滤安装在机匣附近。

A. 保证手柄和滚柱之间是干净的。

B. 确保杆和滚柱之间有连接。

C. 确保杆和滚轮之间有间隙。

A. It is forbidden to go into the engine test area with approval.

B. Entering the engine test area must not be approved.

C. Approval is a must when entering the engine test area.