Turn the shaft around its axis.

A. 燃油系统指发动机以外储存燃油、给发动机配送及输回燃油的装置和部件。

B. 滑油系统指那些储存滑油，并把滑油送往发动机以及从发动机回油的相关外部组件和部件。

C. 滑油系统指发动机内储存润滑油和运输润滑油的装置和部件。

A. Contamination of the grease can cause damage to the bearing.

B. Contamination of the oil can cause damage to the shaft.

C. Pollution of the grease can cause damage to the axle.

A. 每个电干扰盘的后部都有一个灵活的汇流条组件。

B. 每个电干扰盘的后部都有一个固定的汇流条组件。

C. 每个配电盘的后部都有一个固定的汇流条组件。

A. The basis for assuring an airplane remains airworthy and safe to operate is to combine the manufacturer＇s requirements with sound inspection and maintenance practices.

B. To ensure airworthiness and safe operation of an airplane, it is essential to follow the manufacturer＇s instructions in the utilization of airplane, and perform sound inspection and maintenance practices as well.

C. Airworthiness and safe operation are fundamental to aircraft utilization as required by the manufacturer, so sound inspection and maintenance practices are carried out.

A. 结果是，孔的直径达到了允许的最大值。

B. 结果是，允许孔的尺寸超出最大范围。

C. 结果是，孔的尺寸大于允许的最大尺寸。

A. 在升降飞机时，要确保操作升降设备的人员接受过恰当的培训并具备相应的知识。

B. 在对飞机进行平衡、顶升或放下时，确保人员接受过升降设备的培训并掌握相关技能。

C. 当水平放置飞机或顶升飞机时，确保操作升降设备的人员学过培训知识。

A. IAS shall be monitored continuously until the end of the test.

B. Monitor the speed indication as long as the test continues.

C. Monitor the speed indication continuously until the end of the test.

A. 拆下附着在法兰到盖子上的四个螺钉。

B. 拆下四个螺钉，将法兰附着到盖子上。

C. 拆下将法兰固定到盖上的四个螺钉。

A. Procedures contain tasks that give instructions on how to perform them.

B. Procedures contain general instructions that show you how to do tasks.

C. Procedures contain instructions that tell you how to do a task.

A. 如适用，还应提供以下重量：(a)最大停机坪重量；(b)最大起飞重量；(c)最大着陆重量；(d)最大零燃油重量；(e)最大行李舱重量。

B. 如可以，还应提供以下重量：(a)最大坡道重量；(b)最大起飞重量；(c)最大着陆重量；(d)最大无油重量；(e)最大行李舱重量。

C. 如适用，还应提供以下数据：(a)最大停机坪重量；(b)最大着陆重量；(c)最大起飞重量；(d)最大零重量；(e)最大行李重量。