... automatic-control servo valve自动控制伺服阀 auxiliary changeover valve辅助切换阀 auxiliary valve辅助阀(暖汽调整阀用) ...
基于646个网页-相关网页
... back valve 回动阀, 止回阀, 逆止阀, 单向阀 auxiliary changeover valve 匡助切换阀 cq罗纹球阀 ...
基于18个网页-相关网页
... Manual changeover valve 手动切换阀块 auxiliary changeover valve 辅助切换阀 ; 匡助切换阀 ; 辅佐切换阀 ball changeover valve 球形转换阀 ...
基于8个网页-相关网页
·2,447,543篇论文数据，部分数据来源于NoteExpress