| 229 |
P |
portable |
There are two different types of portable fire extinguishers.
|
n.[C]可携式的、手提式的 |
|
| 230 |
P |
position |
|
n.[C][U]位置,地位,形势 |
|
| 231 |
P |
potable |
The water heater heats water supplied from the potable water system.
WARNING: MAKE SURE THAT THE POTABLE WATER SYSTEM IS DEPRESSURIZED.
|
adj.可饮用的 |
|
| 232 |
P |
potentiometer |
The travel of each potentiometer is plus or minus 150 deg.
|
n.电位计 |
|
| 233 |
P |
power |
The red power light will not go on at this time.
The computers (SIDE 1 and SIDE 2) have separate power supplies.
A power consumption is 30 W maximum with 115 V AC - 400 Hz.
供应115伏、400Hz电力的最大功率消耗是30瓦。
|
n.[U]功率、力量、电力、动力 |
|
| 234 |
P |
precaution |
Do the special precaution before you start the test.
|
n.[C]预防措施,预防 |
|
| 235 |
P |
precooler |
Make sure that the precooler (5) is in the correct position in relation to the pneumatic lines.
|
n.预冷器 |
|
| 236 |
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 |
|
| 237 |
P |
preparation |
Preparation for replacement of the static discharger retainer.
|
n.[U]准备、预备,准备工作、准备措施 |
|
| 238 |
P |
pressure |
|
n.[C][U]压力 |
|
| 239 |
P |
pressurization |
Pressurization of the aircraft can be dangerous.
|
n.[U]加压 |
|
| 240 |
P |
pressurize |
Do not pressurize too high or too low.
|
vt.使(飞机内部)维持大气压,加压于 |
|