Make a careful estimate of the damaged area.

A. Obey the safety precautions when you do work with high voltages.

B. When working with high resistances, you should follow the safety precautions.

C. The safety precautions are optional in an environment with high voltages.

A. A small amount of oil remains in the starter.

B. Little oil is stored in the starter.

C. The starter consumes a few oil.

A. That section of the systems which controls the position and rotation of the trailing edge flaps.

B. That portion of the systems which controls the position and movement of the trailing edge flaps.

C. That part of the systems which controls the position and rotation of the flaps.

A. 始终遵守如下保持电线处于良好状况的法规。

B. 始终遵守预防措施，然后保持电线处于良好状况。

C. 始终遵守如下预防措施以保持电线处于良好状况。

A. Make sure the wire in this position is able to unlock the parts.

B. The wire must be positioned so that the parts can oscillate freely.

C. Ensure the wire is positioned to create a locking motion on parts.

A. Replace the defective booster pump.

B. Remain the present booster pump.

C. Recharge the failed booster pump.

A. The schematic diagrams need to list a lot of instructions, so the items listed are ordered according to certain rules, this is the order in which the items are placed on the plane.

B. There are schematics which need to list a lot of items, so the items listed should be sorted according to certain rules, such as the order in which the items are placed on the plane.

C. List a large number of schematics in logical order, such as the position of the items on the plane.

A. Sentence forms shall be simple and direct, avoiding the obvious, the elementary and discussions of theory except where essential for practical understanding and application.

B. Sentence forms shall be simple and direct, avoiding the obvious and the elementary, and omitting discussions of theory except where essential for practical understanding and application.

C. Sentence forms shall be simple and direct so as to avoid the obvious and the elementary, and to omit discussions of theory except where essential for practical understanding and application.

A. Operational Tags need to be listed or made a legend.

B. Operating Placards shall be listed or illustrated.

C. Operation Instructions have to be listed or mapped out.

A. “系留”部分应包括所需的设备和材料，如轮挡、挡块、缆绳等；还包括如加重等程序；预防措施和限制，如在高风条件下控制等；以及检查风切变的损坏情况。

B. “系留”这一节应该包括所需的设备和器材，如轮挡、挡块，钢索等；还包括放置压舱物等程序；也包括例如在高风情况的控制等预防措施和限制；以及对阵风损坏的检查。

C. “系留”部分应包括所需的设备和材料，如轮挡、挡块、缆绳等；还包括如加重等程序；预防措施和限制，如在高风条件下控制等；以及检查阵风的损坏情况。