硫磺会固定住水银，减少蒸汽量。
The sulfur will bind with the mercury, reducing the amount of vapor.
而筒内压力又是随着充入储汽筒的蒸汽量而增大的。
The pressure cylinder reservoir is filled with steam and gas cylinder increased.
空气中水蒸汽量的度量。既可以以绝对湿度，也可以以相对湿度表示。
The measure of the amount of water vapor in air, expressed as either the absolute or relative humidity.
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