2187. They are installed in such a manner as to discharge fluid from the pressure line into a reservoir return line when the pressure exceeds the predetermined maximum for which the valve is adjusted

A. 本部分用于相同的安排方法和识别特定主材料

B. 本部分规定了安排和识别某些主材料的同类方法

C. 本部分提供了安排和识别特定主素材的统一方法

A. When the lever starts to move, the microswitch operates.

B. At the beginning of the lever movement, the microswitch will operate.

C. When the lever begin to move, the microswitch operates.

A. A fire is very dangerous.

B. There is danger of fire.

C. Fire can be very dangerous.

A. 制定本规范的目的是为了降低成本

B. 本规范是为减少失误而制定的

C. 规范的制定是为了发展航空安全

A. Do not press the compressed air vent against your skin;

B. Do not point the compressed air outlet at your skin;

C. Do not let the compressed air exit target at your skin;

A. 除冰的程序是从飞机的表面移除冰和雪。

B. 表面防冰的程序是将飞机上的冰和雪移除。

C. 除冰的步骤是将飞机舵面的冰和雪移除。

A. 如果接头有燃油泄漏,则进行修理。

B. 如果变压器有燃油泄漏,则进行修理。

C. 如果传感器有燃油泄漏,则进行修理。

A. 这种调整的精度很重要

B. 这种调整的范国很重要

C. 这种测试的精度很重要

A. 记录对蒙皮表面进行的所有修理

B. 记录对蒙皮封严进行的所有修理。

C. 记录对蒙皮损伤进行的所有处理。

A. If you have no doubt about the serviceability of the unit perform a standard serviceability test.

B. If you have no knowledge about the serviceability of the unit do a standard serviceability test.

C. If there are doubts about the serviceability of the unit, carry out a standard serviceability test.