Two semicircular flappers control air flow.

A. 写作规则包括语法和文体观点。字典给出了撰写人可以使用的一般词汇。

B. 写作规则包括语法和文体方面。字典给出了撰写人可以使用的一般词汇。

C. 写作规则包括语法和文体细则。字典给出了撰写人可以使用的全体词汇。

A. 为减慢固化过程，减少对化合物的加热。

B. 为减缓损耗，降低复合材料承受的热量。

C. 减少施加的热量会导致制作工序减慢。

A. 拆卸前用润滑脂润滑V型卡箍。

B. 在安装U型卡箍前先做润滑。

C. 安装前用润滑脂涂抹V型卡箍。

A. For data about the location of circuit breakers, refer to the wiring list.

B. Refer to the wiring list about the adapters location data.

C. For data about the location of circuit breakers, refer to the wiring diagram.

A. The Design Authority is responsible for approving and changing the repair procedure.

B. Any alteration to this repair procedure must get verbal approval of the Design Authority.

C. If you change this repair procedure, get approval of the Design Authority.

A. Adjust the lever intentionally and reset the system to the neutral position.

B. Move the lever before setting the system to the neutral position again.

C. In case of an inadvertent lever movement, return the system to the neutral position again.

A. 执行所有的程序。

B. 执行以下程序。

C. 执行以上程序。

A. "Towing and Taxiing" shall include procedures to be used such as ground turning techniques, use of parking brakes, connection of electrical power, etc..

B. "Towing and Taxiing" shall include procedures to be used such as ground steering techniques, use of chocks, connection of electrical power, etc..

C. "Towing and Taxiing" shall include procedures to be used such as ground turning techniques, use of brakes, connection of electrical power, etc..

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. 调整车门操作杆，直到其与连接点对齐。

B. 调整车门操作杆，直到其与连接点连接。

C. 调整车门操作锁，直到其与连接点对齐。