... 订明配料的混凝 土 prescribed qualification 订明资格 pressure bulb 压力计;压力表 pressure governor ...
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low pressure bulb 低压灯泡
air pressure bulb 充压灯泡
Boussinecq pressure bulb 布氏压力图形
vapor-pressure bulb 蒸汽压温包
Air pressure bulb release 气动快门绳
high pressure bulb 高压安装
It's a bulb pressure tester for detecting battery leaks.
这是检测电瓶漏气用的胶球压力试验器。
Busy work and high pressure allow a lot of ladies' face dark, which is just like a light bulb shortage of electricity distributing the dim light.
工作的忙碌和压力让很多都市女性的脸色暗沉无光,就像一个电量不足的灯泡,散发着昏黄的光亮。
Glass shell made of a light bulb to keep the filament in a vacuum, or inert gas under low pressure, role is to prevent oxidation of the filament at high temperature under.
电灯泡外壳用玻璃制成,把灯丝保持在真空,或低压的惰性气体之下,作用是防止灯丝在高温之下氧化。
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