English is not often the native language of the readers of technical documentation.

A. Do not taxi where there is dirt.

B. Do not tow in areas where there is slush.

C. Do not land in locations where there is slush.

A. 在充气活门上的防尘螺帽被拆下来了，这样新鲜的空气源才能被连接到气门杆和螺套上，以打开充气阀门。

B. 在充气阀门上的可调节螺帽被拆除了，这样新鲜的空气源才能被连接到气门杆和螺套上，以打开充气阀门。

C. 充气阀门上的防尘帽被拆除，外接气源连接到阀门杆，旋转螺母被旋开以打开充气阀门。

A. When the rod moves to "UP", the hydraulic pressure rises together.

B. When you set the bar to "UP", the hydraulic temperature goes down.

C. When you set the lever to “UP”, the hydraulic pressure must decrease.

A. Be sure that the hose is not blocked.

B. Make sure that the tubes have no deformation.

C. Ensure that the pipes are not damaged.

A. Procedures shall be provided for all airplanes for all cases of engine failure, including partial failure, during takeoff and in flight.

B. Procedures shall be provided for all airplanes for all cases of engine failure, including intermittent failure, during roll out and in flight.

C. Procedures shall be provided for all airplanes for all cases of engine flame out, including parts failure, during takeoff and in flight.

A. 包含飞机持续适航维修程序的主要文件是《飞机维护手册》（《持续适航文件（ICA）》）。根据本规范编制的文件是补充性要求，应与飞机维护手册一并使用。

B. 包含飞机持续适航维修程序的主要文件是《飞机的维护手册》（《持续适航文件（ICA）》)。按照本规范编写的文件是对该维修手册的补充，也是为了与该维修手册一起使用。

C. 包含飞机持续适航维修程序的主要文件是《飞机的维护手册》（《持续适航文件（ICA）》)。根据本规范编制的文件补充了该维护手册，并设计用于该维护手册。

A. 能防止自由运动的活塞在套筒中有划伤。

B. 刻痕能阻止活塞在套筒中的自由运动。

C. 刻痕能防止自由运动的活塞在套筒中。

A. 当这种情况发生时，你可以选择使用第9级引气。

B. 当这种情况发生时，将自动使用第9级引气。

C. 当这种情况发生时，人工打开第9级引气。

A. The MMEL should specify suitable limitations in the form of placards, maintenance procedures, crew operating procedures, and other restrictions as necessary to ensure an acceptable level of safety.

B. The MMEL should be in the form of annunciator, maintenance procedures, crew operating procedures to illustrate applicable limitations and other rules necessary to verify an acceptable level of safety.

C. The MEL should cover suitable limitations which are shown in palcards, maintenance procedures, crew operating procedures, and other rules to verify an acceptable level of safety.

A. 如果在平时使用中，大家更爱使用全称的话，其缩写也应标注在标题的括号内。

B. 如果在习惯用法中，相对于全称更倾向使用缩写的话，则该缩写也应包括在标题的括号内。

C. 应该将缩写包含在标题的括号内，如果平常更喜欢使用缩写而不是全称的话。