If the loading platform is feeding material stop feeding immediately. shut off nitrogen valve and release pressure of tank car.

若装车平台正在压料，应马上停止压料，关闭氮气阀门，对槽车进行泄压。

youdao

When the pump starts working, the self-priming process can be achieved, and the valve of water-ejecting will be shut off automatically to stop the working of jet flow system simultaneously.

泵运转时，不仅可以完成自吸过程，而且可以将自循环射流器上的阀门关闭，射流器同时停止工作。

youdao