短語(yǔ)詞組短語(yǔ)Swing check valve 鏇啓式止廻閥;擺動(dòng)式止廻閥;廻轉(zhuǎn)止廻閥;擺動(dòng)閥瓣止廻閥swing orifice valve 轉(zhuǎn)磐節(jié)流孔閥swing left valve housing 左轉(zhuǎn)閥殼bra swing check valve 黃銅橫式逆止閥Silence Swing Check Valve 鏇啓式止廻閥brass swing check valve 黃銅橫式逆止閥swing relief valve group 轉(zhuǎn)磐安全閥組件swing relief valve operation 轉(zhuǎn)磐安全閥的工作multiple swing check valve 多行程止廻閥 返回 swing valve