检查连杆是否平稳移动。

A. 本课件仅适用于特定的操作系统。

B. 本软件只适用于特殊的操作系统。

C. 本软件仅与指定的操作系统兼容。

A. 英语通常不是技术资料读者的母语。

B. 英语通常不是技术资料编写者常用语言。

C. 英语通常不是技术资料修订者的本地语言。

A. 拧紧螺母至足够牢固，而不是用手可以去拧动得动。

B. 拧紧螺母，但要保持足够宽松度，便于用手可以取下它。

C. 要保持螺帽被拧紧，使你的手无法拧松它们。

A. This module gives good procession from defect.

B. This metal gives good protection from erosion.

C. This material gives good protection from corrosion.

A. An aircraft must comply with all the Airworthiness Standards and special conditions applicable to it, otherwise, a Type Certificate can not be issued for that aircraft.

B. A Type Certificate will not be issued for the aircraft if that aircraft meets all the requirements of Airworthiness Standards and special conditions which are applicable to it.

C. The aircraft will get a Supplemental Type Certificate only if the aircraft accords with all the applicable Airworthiness Standards and special conditions.

A. The autothrust system is in but not in operation.

B. The autothrust system is on but not in operation.

C. The autothrust system is out but not in operation.

A. This step is applied to primer layer only.

B. This step can be only applied when the top is painted.

C. This step is applicable only when you apply the top layer of paint.

A. Torsion the plug to the receptacle

B. Mate the plug to the receptacle

C. Connect the plug to the receptacle

A. Apply fuel to the steel surfaces.

B. Apply oil to the alloy surfaces.

C. Apply oil to the steel surfaces.

A. Apply two films of protective compound to prevent hydraulic fluid from damaging to the sealant.

B. Apply two layers of protective compound to prevent hydraulic fluid damage to the sealant.

C. Two coats of sealing compound should be applied to prevent hydraulic fluid damage from the sealant.