water-jet vacuum pump

Z

Bedeutungen
[die] 喷水真空泵。
water-jet vacuum pump
❬hr color=#336cc size=1 /❭
[die] 喷水泵。高压喷水泵。喷水真空泵。喷水抽气泵。
water-jet pump, water-jet vacuum pump, water-jet aspirator pump