The manufacturer recommends that you prepare the mixture in an area with good airflow.

A. Completely retract the rod slowly and ensure not to touch other components.

B. Slowly protect the bar and guarantee not touching other parts.

C. Slowly extend the rod fully and make sure that it does not touch other parts.

A. 液压油会造成起火。

B. 液压油会引起腐蚀。

C. 液压油会导致伤害。

A. Procedures shall be provided for all airplanes for all cases of engine failure, including partial failure, during takeoff and in flight.

B. Procedures shall be provided for all airplanes for all cases of engine failure, including intermittent failure, during roll out and in flight.

C. Procedures shall be provided for all airplanes for all cases of engine flame out, including parts failure, during takeoff and in flight.

A. All sensors provide implied information.

B. All sensors supply indication data.

C. All sensors can receive indication data.

A. 授权人员必须仅操作刹车。

B. 务必仅由授权人员操作刹车。

C. 授权人员只能按要求操作刹车。

A. 将钢索拼成三段那么高。

B. 将电缆剪成三等份那么宽。

C. 将钢索剪成等长的三段。

A. Acquire the flight data from the recorder.

B. Eliminate the tape about the information after flight.

C. Remove a recording of flight data from the tape.

A. If as many as 50% of the holes are contaminated, you should clean the display units behinds the holes.

B. The holes on the bottom of the display unit should be cleaned once over 50% of them are clogged due to contamination.

C. If contamination causes a blockage of more than 50 percent of the holes, then clean the holes on the rear of the display units.

A. 确保放置正确尺寸的部件。

B. 确保更换的部件尺寸正确。

C. 确保更换的部件位置正确。

A. 防腐剂可能存在于腐蚀严重的部位。

B. 腐蚀敏感的部位可以安装防腐组件。

C. 易受腐蚀的部位可能有防腐剂。