短語詞組短語swing type check valve 旋啟式止回閥swing motor check valve 轉(zhuǎn)盤馬達(dá)單向閥Bolt -Jointed Swing Type Check Valve 栓接閥蓋旋啟式止回閥bra swing check valve 黃銅橫式逆止閥Silence Swing Check Valve 旋啟式止回閥brass swing check valve 黃銅橫式逆止閥multiple swing check valve 多行程止回閥cushioned swing check valve 帶膠墊擺式止回閥Butterfly swing check valve 蝶式止回閥;蝶式;止回閥;船用截止閥閥 返回 Swing check valve