将修理补片准确地贴在损坏的部位。

A. 在向系统中注入新滑油之前，强制性重置油滤。

B. 在向系统中注入新滑油之前，必须更换油滤。

C. 在系统中注入新滑油之前，建议更换过滤器。

A. 为防止系统出现事故，安装安全锁。

B. 为防止系统意外运行，安装安全锁。

C. 安全锁定系统，以防止系统意外操作。

A. 让飞机载荷平衡是飞机所有者和机长的责任。

B. 飞机被正确地系留是飞机维护者和飞行员的责任。

C. 飞机所有者和飞行员有责任确保飞机装载正常。

A. 用专用尺子确定凹坑的长度。

B. 用直尺和塞尺测量凹坑的深度。

C. 用角尺和直尺测量裂纹的深度。

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. At the location shown in the figure, waterproof corrosion inhibiting compound has been used on certain aircraft construction. To keep the effectiveness of this protection, reapply the compound in these or other locations periodically.

B. Water displaying corrosion inhibiting compound has applied on certain airplanes structure in the locations in this figure. Periodic reapplication must be applied in these and other locations, so as to maintain effectiveness of this protection.

C. Water displacing anti-seize compound has been applied on certain airplanes construction in the locations in this figure. Periodic reapplication should be utilized in these and other locations, in order to keep effectiveness of the protection.

A. In STE, there are different rules for how to write sentences for procedures (Section 5) and for how to write them for descriptive text (Section 6).

B. In STE, there are different rules for why to write paragraphs for procedures (Section 5) and for why to write them for descriptive text (Section 6).

C. How to write sentences for programs (Section 5) and how to write sentences for operative text (Section 6) have different means in STE.

A. 测量压力下降所需时间。

B. 必须测量压力下降时间。

C. 压力下降所需时间是可以测量的。

A. The Maintenance Manual is supplied by the manufacturer at the time of aircraft delivery.

B. When delivering the aircraft, the Maintenance Manual is provided to the buyer.

C. The Maintenance Manual is prepared by the manufacturer before the aircraft is delivered.

A. 该控制器适用于所有系统。因此，它还可以控制终端油加热器。

B. 该控制器适用于所有系统。因此，它还可以控制热油加热器。

C. 该控制器面向所有系统。因此，它还可以控制终端油加热器。