Hydrocyclones
(hydrocyclone 的复数) n.水力旋流器( 一种依靠锥形容器内的离心力将固体颗粒从水流中分离出来的机器)
🗣️ 情景例句
He never speaks unless he is spoken to.
除非别人先对他开口，他从不先开口。
One boy is more trouble than a dozen girls.
一个男孩比十二个女孩还要麻烦。
They were glad of the examination being over.
他们为考试结束了而高兴。