| 655 |
P |
precooler |
Make sure that the precooler (5) is in the correct position in relation to the pneumatic lines.
|
n.预冷器 |
|
| 656 |
P |
preform |
The piston movement is kept within specified limits by a seal, and preformed packing and back-up rings.
活塞的移动保持在密封、预先定形的垫圈与备用环形成的特定限度内。
|
vt.预先形成 |
|
| 657 |
P |
preparation |
Preparation for replacement of the static discharger retainer.
|
n.[U]准备、预备,准备工作、准备措施 |
|
| 658 |
P |
pressure |
|
n.[C][U]压力 |
|
| 659 |
P |
pressurization |
Pressurization of the aircraft can be dangerous.
|
n.[U]加压 |
|
| 660 |
P |
pressurize |
Do not pressurize too high or too low.
|
vt.使(飞机内部)维持大气压,加压于 |
|