If the humidity changes frequently, put a cover on the unit.

A. 如果燃油设备显示有游离水，请排空系统。

B. 如果燃油样本显示有多余水，请排空系统。

C. 如果燃油样本显示有游离水，请排空系统。

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. 执行此步骤需要两个人。

B. 两个人来做这个工卡是必须的。

C. 最少需要两个人来做这个工作。

A. 如果刹车片接触到盘，根据文件移开不需要的材料。

B. 如果托架触碰到板，用锉刀去除不需要的材料。

C. 如果撑杆触及盖板，用填充剂移开不合适的材料。

A. 作对比的代词和把“more”和“most”作为最高级的代词在字典中不会列出这些形式，因为“more”和“most”也列出了批准的词。

B. 以“more”和“most”作比较级和最高级的形容词不会在字典中列出这些形式，因为“more”和“most”也被列为批准词。

C. 有比较级和最高级的副词由“more”和“most”构成，不会被收录在词典中，因为“more”和“most”也列出了被允许的词。

A. Because of the risk of contamination, you must do this task in a very clean environment.

B. To prevent environmental pollution, this task must be done in a very clean area.

C. In order to prevent contamination, the task you must do is to find a very clean environment.

A. The space equipment releases the air from the compound.

B. The vacuum equipment decreases the air from the compound.

C. The vacuum equipment removes the air from the compound.

A. 金属材料会导致磁反应。

B. 金属物体会引起磁干扰。

C. 金属材料会引起磁效应。

A. Even though this specification is conformed to recognized industry practices , it is prepared in broad genuine terms and it is recognized that problems will occur which are not handled enough by the specification.

B. Although this specification coheres with recognized industry practices , it is written in vast general terms and it is asserted that problems will appear which are not treated sufficiently by the specification.

C. Though this specification complies with accepted industry practice, it is compiled in wide generic terms and it is recognized that problems which are not treated adequately by the specification will arise.

A. 最佳上升角速度是在尽可能短的距离内提供最多海拔增益的空速。

B. 最佳爬升角速度是使飞机能够在尽可能短的水平距离内高度增加最多的空速。

C. 最佳上升角速度是在尽可能短的距离内传送最大高度增益的空速。