draw off cock meaning in English
放出开关
Examples
- 50 gallon distilled water storage tank of stainless steel construction for counter mounting with removable cover inlet and overfow fittings , guage glass and draw off cock
50加仑蒸馏水不锈钢储存箱为逆架置以可移动的盖子入口和溢出配件,测量玻璃和排水龙头。