Abstract LS series wet roots vacuum pump is a rough vacuum pumping equipment .

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 & a New Type Pump of Low Power and Water Consumption

新型节能节水泵&LS直排 大气 湿式罗茨 真空 泵