Each handbook shall have a log of revisions or effective pages.

A. 如果滤子在极短的时间堵塞，送到实验室进行污染分析。

B. 如果滤子使用期间出现异常，请对污染物进行适当的检测。

C. 实验室污染分析用于防止滤子在短时间内堵塞。

A. The word given in the approved examples is not controlled

B. The word given in the approved examples is not mandatory

C. The word given in the approved examples is not a must

A. Sometimes, FAA and other airworthiness authority may accept the Continuing Airworthiness Program that uses the Specification.

B. Sometimes, we use the Specification to prepare a Continuing Airworthiness Program that will be accepted by non-FAA airworthiness authority.

C. Sometimes, during preparing a Continuing Airworthiness Program, using the Specification may be accepted by FAA and other airworthiness authority.

A. Install two mats, each 3.5 mm thick.

B. Install two spacers, each 3.5 mm thick.

C. Install two rings, each 3.5 mm thick.

A. Survey the opening for fractures that often avoid inspection.

B. Inspect the opening for cracks that originate from its corners.

C. Inspect the opening for blemish that often covers its corners.

A. Discard the removed fasteners.

B. Throw away the removed components.

C. Leave out the removed gaskets.

A. 使用“降低”更好，因为它描述的是压力，而不是控制压力的指示器 。

B. 使用“降低”更好，因为它描述的是压力，而不是监测压力的指示器。

C. 使用“增加”更好，因为它描述的是压力，而不是监测压力的指示器。

A. If the unit is not modified, its service life will be possibly shorter.

B. Without the modification of the unit, its service life is likely shorter than present.

C. Without the modification, it is possible that the service life of this unit will be shorter than usual.

A. 曾经颁发了合格证或批准证书，目的是保持其符合性，如生产合格证。如果不符合批准或对批准条款违约，则会引起国家处罚或行政强制性措施。

B. 一旦颁发了合格证或批准证书，例如生产合格证，就要求一直保持其符合性，任何不符合批准要求的行为，或者违反批准条款，则会引起民事处罚或行政强制性措施。

C. 任何不符合批准要求的行为或条款都会引起国家处罚或行政强制性措施，所以一旦颁发了合格证或批准证书，必须要求其的符合性，如生产合格证。

A. 特定手册中使用的定义应适用于该特定的飞机或装置。

B. 对特定手册的说明应针对特定飞机或装置。

C. 特定手册中的定义应依据特定飞机或构型制定。