... 止回阀，回转阀：swing valve 止回底阀：non-return foot valve 止付通知：stop order ...
基于122个网页-相关网页
... nodules of the semilunar valves 半月瓣结节 non-return foot valve 止回底阀 non-return valve 单向阀; 单向活门 ...
基于4个网页-相关网页
... non return flap valve 止回瓣阀 non return foot valve 止回底阀 non return valve 单向阈; 止回阀 ...
基于1个网页-相关网页
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