draw-off cock meaning in English
放出开关
放气旋塞
废水旋计时
泄放旋塞
泄水旋塞
Examples
- Marine bronze external screwed draw - off cocks
船用外螺纹青铜泄放旋塞 - Branch pipe valves . draw - off cocks . nominal pressure pn 10
支流阀.给水阀.公称压力，标准压力 - Branch pipe valves . stopcocks and draw - off cocks . general . nominal pressure pn 10
支流管阀.制动旋塞和排放旋塞.总则.公称压力pn 10 - Industrial valves . draw - off cocks and stopcocks . terminology relating particularly to the building trade
工业阀门.排放旋塞和制动旋塞.专门与建筑业有关的术语