check-valve to manifold pipe的意思|示意
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英 / /
到歧管的止回阀
check-valve to manifold pipe的网络常见释义
止回阀至歧管管 ... check-valve spring 止回阀弹簧; 止流阀弹簧 check-valve to manifold pipe 止回阀至歧管管 chimney valve 烟道节气门 ...
check-valve to manifold pipe相关短语
1、 check valve to manifold pipe 止回阀至歧管的