铸铁深水封地漏DN50 75 100 150 200
铸铁侧排雨水斗侧墙地漏
铸铁87型虹吸式落水斗直排式..
铸铁网框地漏
铸铁丝扣地漏水封地漏DN50..
铸铁87型雨水斗 虹吸式落水..
铸铁深水封地漏DN50 75..