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。
- They're completely anti the new proposals. 他们完全反对新的提议。
- 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
- anti vacuumn. 反压力
- anti vacuum pipe 反压力导管
- 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
- They have always been anti colonialism. 他们一直是反对殖民主义的。
- 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。
- Shall I put some anti freeze in the radiator? 要不要在散热器里注入一些防冻剂?
- 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
- To the Hong Kong Anti Cancer Society. 与香港防癌会。
- NTOS ANTI MASS WEAPONS DEFENCE SYSTEM. 反大规模杀伤性武器防御系统。需要升级探测器技术。
- Anti shock polystyrene composite board No. 抗冲击聚苯乙烯镜面复合装饰板项目。
