... 1自动排气阀auto exhaust valve 压力真空表pressure vacuum meter 液位开关float switch ...
双语例句
1
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 vacuummeter.
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。
2
Methods The vacuum negative pressuremeter and the delayed control line were used.
方法：用真空负压表、延迟控制线路，接通电话机免提键、存储拨号键。
3
First close the plug of a vacuum or pressuremeter, if so mounted on the pump, connected to the pump before starting the motor and then open it when the motor move in the normal speed;