Replace the slide valve if its surface is rough.

A. 整个框架由铆钉、螺栓、螺钉和其他紧固件连接。

B. 整个机体及其部件由铆钉、螺栓、螺钉和其他紧固件连接。

C. 飞机框架及部件由铆钉、螺栓、螺钉和其他紧固件连接。

A. The manufacturer＇s marks, publication title, airplane model, and issue or revision date must shown on all pages.

B. The manufacturer＇s headline, publication title, airplane model, and issue or revision date must print on all pages.

C. The manufacturer＇s masthead, publication title, airplane model, and issue or revision date must appear on all pages.

A. Select the specific system that you will apply pressure to.

B. Select the hydraulic system that you will pressurize.

C. Identify the hydraulic system that you will bleed.

A. Do not open the container if you are instructed that high pressure is dangerous.

B. If it states on the container that the pressure inside is high, do not open it.

C. If the instructions give a warning about dangerous pressure, do not open the container.

A. Repair or replace the wire bundle or conduit per the requirements of AMM.

B. Refer to the requirements of AMM repair or relocate the wire bundle or conduit.

C. According to AMM require to repair or change the wire bundle or conduit.

A. Put a plug on the open end of each pipe.

B. On the opening of each pipe, put a cover.

C. Put a cover on the loose end of the pipe.

A. Timely check the instruments for accuracy.

B. Instuments shuld be periodically checked for accuracy.

C. Timely check the instruments if it is accurate.

A. 修复所有凹坑的表面。

B. 修复有腐蚀的表面。

C. 修复有划痕的表面。

A. 对于这个地区以外的人来说，这些词很难理解。

B. 对于这个工作专业以外的人来说，这些词很难理解。

C. 对于这个空域以外的人来说，这些词很难听清楚。

A. 仅在真正需要时才会使用被动时态。

B. 当真正需要时仅使用被动时态。

C. 当真正需要时仅使用主动时态。