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- Who can tell me the principle of vacuum injector in the turbine? Thank you. 能否解释一下透平（汽轮机）的真空喷射器原理。谢谢。
- Application of Simple Vacuum Injection Mold on RTM Experiment System 简易真空注射模在RTM实验系统中的应用
- 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。
- Did you have gas or an injection? 你是用的麻醉气还是打的麻醉针?
- The symbol for the speed of light in a vacuum. 表示真空中光速的物理符号
- I had a bad reaction after my typhoid injection. 我注射了伤寒针剂后产生了不良反应。
- The morphine was administered by injection. 那吗啡是注射进去的。
- 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。
- 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
- The doctor gave her an injection to alleviate the pain. 医生给她注射以减轻疼痛。
- We need an injection of new blood with fresh ideas. 我们需要有新观念的新人。
- An injection of penicillin costs about2 yuan. 打一针青霉素约花两块钱。
