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。
- Reading a good book may bring purification to souls. 读一本好书可以带来心灵的净化。
- 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
- Purification of water may be achieved by distillation. 水的净化可由蒸馏获得。
- vacuum purification 真空净化
- 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。
- This is a purification exercise. 这是一个净化练习。
- 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
- Do not attempt purification of NF3 via adsorption. 禁止试图通过吸附来净化NF3。
- Of, relating to, or used in a rite of purification. 涤罪仪式的涤罪仪式的、与涤罪仪式有关的或在涤罪仪式中使用的
- TaKaRa Agarose Gel DNA Purification Kit Ver. 本试剂盒是从琼脂糖中回收纯化DNA片段的试剂盒。
- Purification and dehumidification of air. 空气的净化与除湿。
