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- 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。
- vacuum conche 真空精研机
- 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
- Jack clamoured among them, the conch forgotten. 杰克在他们当中鼓噪着，也不记得海螺了。
- Conch Shanghai Conch Apparel Co., Ltd. 上海海螺服饰有限公司。
- Wuhu Conch Profiles And Science Co. 芜湖海螺型材科技股份有限公司。
- Dirt and dust are drawn into a vacuum cleaner by suction. 污物和灰尘被吸入吸尘器。
- Anhui Conch Joint Stock Co., Ltd. 安徽海螺集团股份有限公司。
- 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。
- The cuttlefish and conch have similar ancestors. 乌贼和海螺有相似的祖先。
- 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 crab lives in mantle cavity of a living conch. 这种蟹生活在活海螺的洞中。
- 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。
