介绍了波纹管平衡型自力式压差调节阀的结构与工作原理。

Structure and operation principle of the bellows-balance self-operated pressure regulator are described in the paper.

youdao

介绍了波纹管平衡型自力式压差调节阀的结构与工作原理。

Structure and operation principle of the bellows-balance self-operated pressure regulator are described in the paper.

youdao