您要查找的是不是：
- 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
- 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
- vacuum coupling 真空联锁
- Dirt and dust are drawn into a vacuum cleaner by suction. 污物和灰尘被吸入吸尘器。
- 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。
- 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
- Alignment checks when coupling refitted. 设备工程师对联轴做对中检查。
- Their coupling is the mere combat. 他们性交只是场搏斗。
- I've isolated the reverse power flux coupling. 我已经隔离反向电流接合
- 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。
- Loose coupling has many advantages. 松散耦合有许多优点。
- Love is the spiritual coupling of two souls. 爱情是两个人精神上的结合。
- His departure created a vacuum in our lives. 他的离去在我们的生活中造成了空虚。
