水环式真空泵中废弃的水和空气一起被排到水箱里。
Water ring vacuum pump in the waste water and air into the tank together.
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LS型直排大气湿式罗茨真空泵属粗真空获得设备。
LS series wet roots vacuum pump is a rough vacuum pumping equipment.
干式螺杆真空泵。
Dry screw vacuum pump.
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