气动隔膜泵可通过颗粒且流量可调，管道堵塞时自动停止至通畅。

Pneumatic diaphragm pumps and flow through the particles adjustable, pipe plug to open automatically when to stop.

youdao

气动隔膜泵可通过颗粒且流量可调，管道堵塞时自动停止至通畅。

Pneumatic diaphragm pumps and flow through the particles adjustable, pipe plug to open automatically when to stop.

youdao