The PG's gauge display indicates the current operating pressure relative to the overall range of the unit.
就地压力计显示出当前相对于整个单位而言的工作压力。
The measurement of pressure relative to the pressure in a vacuum, equal to the sum of the pressure shown on a pressure gauge and atmospheric pressure.
以真空中的压力为基准的压力的量度，等于压力计显示的压力与大气压力的总和。
The measurement of pressure relative to the pressure in a vacuum, equal to the sum of the pressure shown on a pressure gauge and atmospheric pressure.
以真空中的压力为基准的压力的量度，等于压力计显示的压力与大气压力的总和。
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