Disc multi-way valve, the use of rotary multi-way valve, stable and reliable running.

盘式多路阀，采用旋转式多路阀，运行稳定可靠。

youdao

Disc multi-way valve, the use of rotary multi-way valve, stable and reliable running.

盘式多路阀，采用旋转式多路阀，运行稳定可靠。

youdao