短語詞組短語Butterfly swing check valve 蝶式止廻閥;蝶式;止廻閥;船用截止閥閥butterfly sing check valve 蝶式止廻閥hydraulic butterfly check valve 液控止廻蝶閥Solw closure butterfly check valve 蝶形緩閉止廻閥hydraulic check butterfly valve 液控止廻蝶閥hydraulic control check butterfly valve 液控止廻蝶閥 返回 butterfly check valve