润滑垫圈的一侧。

A. 该限制应在飞机处于起落架上或提升装置上时使用。

B. 如果飞机在起落架上或被顶起，请查阅此文件。

C. 该限制适用于飞机在起落架上或千斤顶上。

A. Water above the kitchen floor can seep in through small holes in the floor surface, invisible to the naked eye.

B. Eyes cannot see the vapor which may penetrate through small holes of the floor surface in the galley.

C. Moisture above the galley floor can go through small holes in the floor surface area and stay out of view.

A. This document provides supplementary information to the applicable manual.

B. This document provides primary information to the applicable manual.

C. This document provides special information to the applicable manual.

A. 应明确指出与其他系统的互连。

B. 应正确指出与其他系统的联系。

C. 应注明与其他系统的关系。

A. 配电系统包括通风沟、阀门、滑轨、热交换器、操纵装置等项目。不包括使用系统的供应阀。

B. 分配系统包括管道、阀门、作动筒、热交换器、控制器等。不包括输往用户系统的供应阀。

C. 分布系统包括排风管道、阀门、制动弹簧、热交换器、控制器等项目。不包括使用系统的供应阀。

A. 重心是飞机悬浮时保持平衡的点。它与参考基准的距离是通过总力矩除以飞机的总重量得出的。

B. 飞机的重心是使飞机保持平衡的点。它与参考基准的距离可以通过总弯矩除以飞机总重量找到。

C. 重心是如果飞机悬着使飞机保持平衡的点。它到参照基准的距离可以通过总长度除以总重量找到。

A. Proper recipe shall be adopted to measure the pressure.

B. The pressure shall be estimated by using accurate equation.

C. Calculate the pressure with the applicable formula.

A. If you don＇t do the OVHT/FIRE test, there is no indication of single loop operation in the flight compartment.

B. If you don＇t do the OVHT/FIRE test, the flight compartment has no single loop operation.

C. No indication of single loop operation in the flight compartment as you do the OVHT/FIRE test.

A. 使用不含油的溶液。

B. 使用不含油的解决方案。

C. 使用的滑油里面不能有溶液。

A. Visual difference is acceptable between the previous surface and the new surface.

B. There should be no visual difference between the initial surface finish and the new surface finish.

C. It is forbidden to have acoustic difference between the former surface finish and the new surface finish.