bellows-operated pilot valve

网络释义

1.	膜盒导引阀阀门专... ... bellows valve 波纹管阀 bellows-operated pilot valve 膜盒控制导阀, 膜盒导引阀 bevel seat valve 斜座阀, 角阀 ... zhidao.baidu.com
2.	膜盒控制导阀阀门专... ... bellows valve 波纹管阀 bellows-operated pilot valve 膜盒控制导阀, 膜盒导引阀 bevel seat valve 斜座阀, 角阀 ... zhidao.baidu.com
3.	膜盒控制阀机械专业英... ... bellows manometer 波纹管压力计，膜盒式压力计 bellows-operated pilot valve 膜盒控制阀 bellows pipe 波纹 … www.mapeng.net