stopcock
n. 活塞;开关;止水栓;水龙头
复数 stopcocks
例句
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。
So we need to save energy in our daily life, such as close stopcock, lights, air-conditioning and fans when we leave.
所以我们需要在我们的日常生活中节约能源,如在我们离开的时候关闭水龙头,灯,空调和电扇。