A unique, patented air-valve design ensures stall-free operation throughout product life.

独特的气动设计模式，使得工业生产线不会失速进行操作。

youdao

A unique, patented air-valve design ensures stall-free operation throughout product life.

独特的气动设计模式，使得工业生产线不会失速进行操作。

youdao