The vacuum takes off the angry aircrew including the vacuum takes off angry machine, vacuumpump and centrifugal pump.
真空脱气机组是包括真空脱气机、真空泵和离心泵。
2
On the working spot of centrifugal water pump, the detection can be carried out only by fixing the negative pressure translator in the original position of vacuum meter.
在离心式水泵工作现场只须把原安装真空表的位置换上负压变送器即可进行检测。
3
Sales, including the oil, no oil screw and centrifugal compressor, all kinds of air compressor, vacuumpump.