斜式延时自闭冲洗阀系列角式延时自闭冲洗阀系列瓷芯快开冲洗阀系列

斜式延时自闭冲洗阀系列角式延时自闭冲洗阀系列瓷芯快开冲洗阀系列的英文翻译

基本释义

• Oblique time-lapse self-closing flush valve series Angled time-lapse self-closing flush valve series China-cored fast-opening flush valve series