Proportioners
(proportioner 的复数) 配合加料器[漏斗], 比例调节器, 定量器
🗣️ 情景例句
Sorry, we don't have any vacancies at the moment.
不好意思，目前我们没有任何的职位空缺。
Yesterday it rained all day.
昨天整天下雨了。
but the paper was wrapped round a drum which rotated slowly.
根但是纸是卷在慢慢旋转的圆筒上的。