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- Vacuum separation of azeotropic mixtures 同沸点混合物的真空分离
- Some pumps and all vacuum cleaners work by suction. 有些泵和所有真空吸尘器都是借吸力工作的。
- His wife's death left him a vacuum in his life. 他妻子的去世使他的生活变得空虚。
- Her husband's death left a vacuum in her life. 她丈夫的死使她的生活变得空虚。
- Some people are living in a vacuum. 有些人过着与世隔绝的生活。
- A vacuum cleaner is a handy household tool. 吸尘器是一种使用方便的家庭用具。
- The shop repairs vacuum cleaners. 这家店修理吸尘器。
- The porter turned off the vacuum. 清洁工关掉真空吸尘器。
- The symbol for the speed of light in a vacuum. 表示真空中光速的物理符号
- Separation from her children was a terrible wrench. 同她的孩子们分别是一项很大的痛苦。
- Sealed under low pressure or a partial vacuum. 抽空密封的在低压或部分真空状态下密封起来的
- Dirt and dust are drawn into a vacuum cleaner by suction. 污物和灰尘被吸入吸尘器。
- Friends managed to reconcile him with his wife after years of separation. 经过多年分居后朋友们设法使他与妻子重修旧好。
- We could not pull apart two plates which enclosed a vacuum. 如果两个盘子间是真空,我们就无法将它们分开。
- He was unhappy because of his separation from his mother. 他因与母亲分离而感到不快。
- Operating by means of suction or by maintaining a partial vacuum. 抽真空的用吸取的方式或用维持部分真空的方式来运作的
- The long separation was a test of their love. 长期分离对他们的爱情是个考验.
- On Saturdays we dust and vacuum. 每星期六我们扫除灰尘并用真空吸尘器打扫。
- His departure created a vacuum in our lives. 他的离去在我们的生活中造成了空虚。
- The separation of an electrolyte into ions of opposite charge. 电解(作用)一种电解质分解为带有相反电荷的离子的过程