And diaphragm compared to single-screw pump can transport all kinds of mixed impurity containing gas and solid particles or fibers of the media, but also transport all kinds of corrosive substances.
和隔膜泵相比，单螺杆泵可输送各种混合杂质，含有气体及固体颗粒或纤维的介质，也可输送各种腐蚀性物质。
2
The air of close cabin can't exchange with that of atmosphere, the harmful impurity must be wiped off from cabin, in which the purity and element of gas needed can be maintained.
The induced electromagnetic field possesses the action of electromagnetic purification, and effectively removes formation of impurity grain, segregation, negative segregation and gas cavity.