391.当进行活门测试的每一个步骤时,要确保没有渗漏。

A. 　does not permitted to

B. 　not permitted to do

C. 　permit to do

A. 　irworthiness Programs.

B. 　、The purpose of developing the Specification is to minimize the cost to,
and efforts of general aviation airplane owners and maintenance personnel
by the standardization of the format and general content of

C. 　、The aim of making the Specification is to standardizing the format and
general content of Continuing Airworthiness Programs by minimizing the
cost to , and efforts of general aviation airplane owners and operators
and maintenance personnel

A. 　AWARED

B. 　FAMILIAY

C. 　KNOW

A. 　ACCELERATES

B. 　AGGRAVATES

C. 　INCREASES

A. 　喷油孔故障会导致不正确的操作。

B. 　喷油孔堵塞会导致不正确的信息。

C. 　喷油孔堵塞会导致不正确的操作。

A. 　确认减速板是否立即收回。

B. 　确认减速板是否立即放出。

C. 　确认减速板是否缓慢收回。

A. 　When making this specification,the rules are generally refer to the
rules that used by FAA in making its rules .

B. 　When making this specification,we use the exact identical construction
rules with FAA in making its specifications.

C. 　The rules of construction followed in the preparation of this
specification are the same as generally used by the FAA in the preparation
of its rules.

A. 　、 A the inspection,repairs,preservation,etc. of item influenced by STCs in ABC
Manual or CAPs must be brought to the attention of the STC holder by the
owner or maintenance organization.

C. 　holder must be informed of all item affected by STCs in ABC
Manuals or CAPs by the owner or maintenance organization in order to gain
guidelines for FAA-approved guidelines for the inspection,repair,preservation,etc.of
that item .

A. 　确保间隙在限制范围内。

B. 　确保空间有限。

C. 　确保空间是受限的。

A. 　You may use alerts and cautions to emphasize some important places.

B. 　The important parts must be highlighted by using the warnings,cautions
and notes.

C. 　Warning,cautions and notes may be used to highlight or emphasize
important points.