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- The Status Quo and Development of Vacuum Switchgear 真空开关的现状与发展
- Characteristics of a New Kind Contact Material of Vacuum Switchgear 新型真空开关触头材料的特性研究
- A Computer Expert System Used in Designing Vacuum Switchgear Tube 用于真空开关管设计的计算机专家系统
- The Analysis and the Countermeasure on the Operation Level of the Vacuum Switchgear 真空开关运行水平分析及对策
- 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。
- INFLUENCE OF HARMONIC COMPONENT ON THE CHOPPING CURRENT LEVEL OF VACUUM SWITCHGEAR 系统谐波对真空开关截流性能的影响
- 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。
- Measuring and Controlling System of Flameproof and Intrinsic Safe Combined Vacuum Switchgear Based on Programmable Logic Controller 矿用隔爆本质安全型磁力控制站测控系统研究
- 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
- vacuum switchgears 真空开关
- Dirt and dust are drawn into a vacuum cleaner by suction. 污物和灰尘被吸入吸尘器。
- Beijing Machine Tool Switchgear Co., Ltd. 北京机床电器有限责任公司。
- 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。
- 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
