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- vacuum photoemissive cell 真空光电辐射元件
- 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 storage cell in some amorphous memory devices. 某些非晶体存储器中的一个存储单元。
- A vacuum cleaner is a handy household tool. 吸尘器是一种使用方便的家庭用具。
- She was found prostrate on the floor of the cell. 有人发现她趴在小屋的地板上。
- 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 prisoner rapped out a message on the cell wall. 那囚犯敲打囚室的墙来传达讯息。
- The symbol for the speed of light in a vacuum. 表示真空中光速的物理符号
- photoemissive cell 光电发射管,外光电效应光电管
- The prisoner raped out a message on the cell wall. 那囚犯敲打囚室的墙来传达讯息。
- The growth of successive layers of a cell wall. 敷着,附着细胞壁连续层的生长
- 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
- gas-filled photoemissive cell 充气光电发射元件
- The prisoner was locked in a cell. 那囚犯被关在单人牢房内。
- The prisoner paced the floor of his cell. 那犯人在牢房里来回地走著。
- The stage was designed to imitate a prison cell. 舞台设计成牢房的样子。