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在常温常压下,液化石油气呈气体状态,当温度降低或加压后,则呈液体状态。这时体积仅为气体的1/250左右。钢瓶内一般灌装85%容积
At normal temperature and pressure, the liquefied petroleum gas is in a gaseous state, and when the temperature is lowered or pressurized, the liquefied petroleum gas is in a liquid state. At this time the volume is only about 1/250 of the gas. Cylinders generally fill 85% volume