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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。
- 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。
- vacuum preheater 真空预热器
- 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
- Remarks:Applied to wall and roof of preheater etc. 主要用于预热器墙和顶盖等部位。
- 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。
- Before soldering, be sure to preheat components. 焊接前零件一定要预热。
- Preheat and Cooling functions selection. 预热及冷却功能选择。
- 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
- Preheat oven to 350 degrees F (175 degrees C). 预热烤箱至350华氏度（175摄氏度）。
- Preheat the oven to 180 Celsius. 烤箱预热至摄氏180度。
- Preheat the oven about 180degree . 把焗炉预热至180度。
- To make toasts: Prepare grill or preheat broiler. 制作烤面包片：准备烤架或预热烤焙用具。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
