stopcock的翻译，读音
英/ ˈstɒpkɒk /
美/ ˈstɑːpkɑːk /
释义：
n.活塞；开关；止水栓；水龙头
词态
复数stopcocks例句
A regulated opening for discharging a liquid, as in a stopcock. 控制通过入口的液体量的阀. 。
The sealing property is one of the main indicators of kelly stopcock. 密封性能是方钻杆旋塞阀主要指标之一. 。
The sealing property is one of the main indicators of kelly stopcock . 密封性能是方钻杆旋塞阀主要指标之一。
The main neck is fitted with the dropping funnel with its stopcock open. 然后在主颈上固定滴液漏斗，且滴液漏斗的活塞需打开。
Besides, a few of energy saving stopcock, lamps will also appear at this expo. 一些节能水龙头、节能灯、仿原生态地板、陶瓷、绿色厨房等产品都将集中亮相。