确信每个电门下方的琥珀色的VALVE CLOSED灯熄灭。

A. 开口式刮油环的安装属于临时修理，需要在前起落架拆下时更换来做其他的维修。

B. 开口式刮油环的安装属于临时修理，在前起落架拆下做其他的维修或者大修的时候，需要被更换。

C. 开口式刮油环的安装属于临时修理，在前起落架拆下做其他的维修或者定检的时候，需要被定期修理。

A. The layout does not rely on devices that require power such as computers.

B. The format should not rely on devices such as a power computer.

C. The forms should be independent from any equipment, computers are suitable.

A. Be sure that the hose is not blocked.

B. Make sure that the tubes have no deformation.

C. Ensure that the pipes are not damaged.

A. 符合规范的问题应提交给通用航空制造商协会(GAMA)和联邦航空管理局(FAA)解决。

B. 问题应符合规范，查阅通用航空制造商协会(GAMA)和联邦航空管理局(FAA)得到解决。

C. 遵守规范的问题应涉及到通用航空制造商协会(GAMA)，并提交给联邦航空管理局(FAA)解决。

A. If you use folding page, the page number must be invisible when folding.

B. The page number must be viewing if you fold the page.

C. If folded pages are used, the page number must be visible when folded.

A. Some service reports were used to select items that are similar in application design and downloading to do the check.

B. Some sevice reports are used to select items that are similar in application, design and loading to do the inspection.

C. In order to do the inspection, some service reports used to choose programs similar in apply, design and loading.

A. 如果无线电信号不清晰，调整频率。

B. 如果电子信号不清楚，调整波长。

C. 如果广播信号不清楚，测试频率。

A. 如果跳开关拔出，则断开电路。

B. 如果跳开关闭合，则断开电路。

C. 如果跳开关拔出，则接通电路。

A. 小心地把阀门组装在其位置上，并安装封圈和螺栓。

B. 小心地把阀门组件放置到位，并安装垫片和螺栓。

C. 小心地把组件阀门放置到位，并安装垫片和螺帽。

A. Gives the symbols for resistors, diodes, and other parts of the system.

B. Gives the symbols for relays, resistors, and other parts of the system.

C. Gives the symbols for relays, diodes, and other parts of the system.