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- The miniature metal Dewar is an electric vacuum modle which is absolutely needed for the infrared detectors. 红外微型金属杜瓦是红外探测器中必不可少的一种电真空组件。
- Main applications: used in electric boosting glass kiln electrode, playing Molybdenum rod, for making electric vacuum device and electric light source part mainly. 用途:主要用于电助熔玻璃窑炉用电极,电制造电真空器件及电光源零件。
- 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。
- Be he a civil engineer or an electrical engineer? 他是土木工程师还是电气工程师?
- 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。
- There are some electrical apparatus in the room. 房间里有些电器。
- The porter turned off the vacuum. 清洁工关掉真空吸尘器。
- There is a fault in the electrical system. 电路系统出了故障。
- The symbol for the speed of light in a vacuum. 表示真空中光速的物理符号
- He is an electrical technician by profession. 他的职业是电工技师。
- Application of the Precision Electrical Discharge Machining Technology in the Electrical Vacuum Components 精密电火花加工技术在电真空器件中的应用
- All this electrical wiring will take a day to set up. 所有这些电线架线要花一天时间安装好。
- 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
- Development on Electrical Vacuum Parts'Machining Accuracy by Using Precision NC Machining Technology 采用精密数控加工技术提高电真空器件加工精度
- QUALITY CONTROL OF HIGH-ALUMINUM OXIDE ELECTRIC VACUUM CERAMIC TUBE 电真空高铝陶瓷管产品质量控制
- Now electrical appliances have entered into ordinary families. 现在家用电器已经步入普通家庭。