短語(yǔ)詞組短語(yǔ)drain system valve 排水系統(tǒng)閥Drain with valve 排水閥Turbine Drain Control Valve 汽輪機(jī)疏水控制drain stop valve 泄水截止閥;排水琯路停止閥drain n valve 排水閥;放泄閥drain fill valve 注泄閥門(mén)main drain fuel valve 主燃油閥torpedo tube drain stop valve 魚(yú)雷發(fā)射琯泄水閥Main steam Drain Control Valve 主汽疏水控制 返回 drain valve