短語詞組短語counter balance modular valve 疊加式平衡閥single balance throttle valve 簡(jiǎn)單均衡節(jié)流閥balance slide valve 平衡滑閥;均衡滑閥;均衡澀閥;翻譯balance e valve 平衡閥ring balance safety valve 彈簧平衡安全閥balance safety valve 平衡安全閥Bellows seal balance safety valve 波紋管平衡式安全閥;波紋管平衡式;船用波紋管管平衡式bellos seal balance safety valve 波紋管均衡式安全閥spring -balance safety valve 彈簧平衡安全閥 返回 balance valve