Helium is typically withdrawn as a liquid but may be withdrawn as a gas at low flow rates and pressure.
Helium is typically withdrawn as a liquid but may be withdrawn as a gas at low flow rates and pressure.
氦主要作为液体提取出来，但也可以在低流速和压力下作为气体提取出来。
Helium is typically withdrawn as a liquid but may be withdrawn as a gas at low flow rates and pressure.
氦主要作为液体提取出来，但也可以在低流速和压力下作为气体提取出来。