Atmospheric pressure is the weight of all that air against the surface of the earth.
大气压就是压在地球表面上的所有空气的重量。
Atmospheric pressure is the weight of ail the air against the surface of the earth.
大气压则是所有空气对地球表面形成的重量。
Air inlet must be fully open when supply pressure is atmospheric.
当供应压力等于大气压力时，空气进口必需处于全开位置。
Air inlet must be fully open when supply pressure is atmospheric.
当供应压力等于大气压力时，空气进口必需处于全开位置。
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