And the ball must contain an adequate vent to the pressure port opposite of the downstream sealing port.

球体必须包含一个能够排出到下游密封端口的反面的压力端口处。

youdao

The second chamber allows variable internal pressure, and has a port for removal of liquid condensate .

第二个会议厅，让可变的内部压力，并已港口去除液体凝结。

youdao

As a result, it was found that injection speed could be increased through varying nozzle port opening width under keeping constant injection pressure.

实验结果表明，在压力恒定的条件下，可通过控制喷嘴开启量大小获得不同的注射充填速度。

youdao

In addition,the U.S.Air Force conducted its first airdrop of supplies on Monday, north of Port-au-Prince, using an aircraft that flew from the United States and returned there after the drop, easing pressure on the Port-au-Prince airport.

VOA: standard.2010.01.19

Coleman said the Port Authority hasn't felt pressure from families of September 11 victims to speed up the process.

CNN: Creating 9/11 memorials a slow process

An international campaign group, the Shwe Gas Movement, has been putting pressure on Myanmar and its investors to compensate those displaced by pipeline, gas terminal and port.

FORBES: Myanmar's Ethnic Conflict Flares In Shadow Of Asian Oil Investments

Conservative MP Ms Sandys said the petition and debate was the culmination of pressure she had been putting on the government to place much greater restrictions on the live animal trade from the port.

BBC: Ramsgate demo as MPs about to debate live exports