Let the compound dry.

A. Do not extend or retract landing gear above this speed.

B. Do not expand or retract landing gear at this speed.

C. Do not put down or retract landing gear by more than this speed.

A. Based on different airplane design, the Emergency Procedures and other pertinent information necessary for safe operation should only be provided for some airplane.

B. Based on the particular airplane design, operating or handling distinguishing feature, Emergency Procedures and related information must be provided.

C. The Emergency Procedures and other special information necessary for safe operation shall be provided for emergencies that is common to all airplane design, operating or handling characteristics.

A. 确保区域测试没有人。

B. 确保测试区域没有人。

C. 确定任何人可以进入考试区域。

A. 确保拉力连杆不会卡住起落架。

B. 确保阻力支柱不会遮蔽起落架。

C. 确保阻力撑杆不会阻碍起落架。

A. 此说明帮助您找到相关的适用STE规则和不同特定主题。

B. 此索引帮助您找到与不同特定主题相关的适用STE规则。

C. 此指数可以帮助您找到不同于特定主题相关的适用STE规则。

A. Make sure that the flaps and the slats are retracted.

B. Make sure that the slats and the ailerons are retracted.

C. Make sure that the flaps and the elevators are extented.

A. 在前货舱尾部后壁板衬板后面装有两个空气循环过滤器。空气过滤器分别位于左右两侧混合总管湾区的过滤器壳体内。

B. 在前货舱尾部的壁板后面，有两个空气循环过滤器。它们分别安装在左右两侧的混合总管湾区。

C. 在前货舱的后部的衬板后面，装有两个空气过滤器。它们位于混合总管湾区左右两侧的空气滤芯盒内。

A. 第11和12页的图1是53章、54章、55章和57章中规定的典型镀层/表皮图。

B. 第11和12页中的图1是53章、54章、55章和57章中典型的镀层/蒙皮插图。

C. 第11和12页的图1是系统53章、54章、55章和57章中规定的典型电镀法/表皮图。

A. instruments are delicate precision devices and calibrited used to measuring electrical .All instruments should be periodically checked for accuracy by the manufacturer or by some shop approved by manufacturer.

B. instruments are delicate precision devices and calibrited used to measuring electrical .All instruments should be continuously checked for correct by the manufacturer or by some shop autherized by manufacturer.

C. Electrical measuring instruments are delicate precision devices and calibrited.All instruments should be periodically checked for accuracy by the manufacturer or by some shop approved by manufacturer.

A. 确保钢索的张力是合适的。

B. 确保电缆的压力是正确的。

C. 确保钢索的压力是正确的。