constant pressure pressure-reducing valve 定压减压阀
constant-pressure pressure welding 恒压压力焊
constant pressure pressure welding 恒压压力焊
Palv-Pc alveolar pressure-capillary pressure 血管腔内与腔外压力差
air pressure pneumatic pressure 大气的压力 ; 气压
MIN PRESSURE Minimum pressure 最小油压
The pressure in the cylinders would go up in proportion to the boiler pressure.
汽缸内的压力会与锅炉的压力成比例上升。
What happens is that the ice at the base of the glacier is under a great deal of pressure—the pressure coming from the weight of the overlying ice.
实际情况是,冰川底部的冰承受着巨大的压力——这些压力来自于覆盖在上面的冰的重量。
In the reversible case, an external pressure is essentially equal to the internal pressure.
在可逆的情况下,外部压力基本上等于内部压力。
If the bleeding does not stop with direct pressure, put pressure on the artery that carries blood to the wound.
VOA: special.2009.08.11
These two relations involving entropy are also useful because they'll let us see how entropy depends on volume and pressure.
这两个涉及熵的关系也非常有用,因为他们告诉我们,熵和体积,压强的关系。
Of course in the reversible case, you're always pushing against an external pressure, which is essentially equal to the internal pressure.
当然在可逆的情况下,外压力,总是,等于内部压力。
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