2978. Two persons are necessary to do this procedure

A. When you attach the spring clip, make sure that you hear a clamp.

B. When you attach the spring coil, make sure that you hear a click.

C. When you attach the spring clip, make sure that you hear a click.

A. 用一块干净的布压在表面上

B. 用一块干净的布擦拭表面

C. 用一块干净的布修复表面

A. 确保电动机操作顺滑。

B. 确保发电机平稳运行。

C. 确保生产者顺利操作。

A. When you change a word, always assure that the alternative you choose does not change the sequence of the sentence.

B. When you replace a word, always make sure that the alternative you select does not change the meaning of the sentence.

C. When you exchange a word, always ensure that the alternative you pick does not change the order of the sentence.

A. You can get correct reading of IDG oil level data on the electrical maintenance page as soon as the engine shutdown.

B. You can get correct reading of IDG oil level data on the electrical maintenance page at the time of at least 5 minutes after engine shutdown.

C. You can get correct reading of IDG oil level data on the electrical maintenance page within 5 minutes after engine shutdown.

A. System test is normally used at minor maintenance time.

B. System test is usually done during maintenance and repairs.

C. System test is normally used at major maintenance periods.

A. Turn the body of the closure assist assembly with a wrench to pull the two thrust reverser doors together until you can engage the latches at the bottom of the doors.

B. Turn the main body of the closing aid with a crowfoot and pull the two throttle reverser doors together until you can connect the bolts at the bottom of the door.

C. Use a wrench to turn the main body of the closing auxiliary assembly and pull the two reverse doors together until you can attach the locks at the bottom of the door.

A. VARY

B. CHANGE

C. CONSTANT

A. 如果高度变化频繁,请在组件上盖上盖子。

B. 如果温度变化频繁,请在组件上盖上盖子。

C. 如果湿度变化频繁,请在组件上盖上盖子。

A. 从新垫圈上标有ANTENNA SIDE的一侧撕掉保护膜

B. 从标有ANTENNA SIDE记号的垫圈上撕掉保护膜

C. 从新垫圈一侧撕掉保护膜然后标记ANTENNA SIDE