Gas with certain pressure is generated and is transmitted into the air-actuated hydraulic device through the control valve.

产生具有一定压力的气体。经控制阀送入气动液压装置中。

youdao

The pressure swing gas producer is a kind of equipment which can directly produce gas with certain pressure and making use of pieces coal.

变压煤气发生炉是一种以碎煤为原料直接生产带压原料煤气和燃料煤气的制气设备。

youdao

Compactor: With certain pressure, the materials will be rolled into slices under the action of double rollers. Thus the bulk density of the materials will be increased.

轧片机：是对原料施加压力，经两平行轧辊转动将原料轧制成片，提高了原料的堆比重。

youdao

During the dive, which takes up to four hours due to the high density of the water (it is filled with certain chemicals plus air pressure to simulate the circumstances found in space), the cosmonauts in training practice space walking -- and may lose a few kilos off their waist line in the strenuous process.

BBC: The dated future of Russia��s Star City

Typically, delivering the most of a certain aircraft puts downward pressure on residual values, but not so with the Challenger 300.

FORBES: Business Jet Review: Challenger 300 Is Putting the 'Super' In The Super Midsize Jet Category

On the other, a perceived pressure on editors to win audiences - with the result that a certain confusion may have taken root about which was the right road to follow.

BBC: chairman Michael Grade