您要查找的是不是：
- Test certificates must be supplied, showing cast analysis, grain size and that the material has been vacuum treated. 要提供检测证书，表明铸件的分析报告，结晶粒度，并且材料要经过真空处理。
- Keywords super capacitor;vacuum treating;Sol-Gel;NiO;specific capacitance; 超级电容器;真空处理;溶胶一凝胶法;氧化镍;比电容量;
- 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。
- What a shitty way to treat a friend! 这样对待一个朋友，真不像话！
- 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。
- This meal is my treat, so put your money away. 这顿饭我请客，你把钱收起来吧。
- An osteopath has been treating her injured back. 整骨医生正给她治疗受伤的背部。
- Earlier, bush telegraph worked a treat. 人类早期传递信息的方法真棒，是件令人开心的事。
- The symbol for the speed of light in a vacuum. 表示真空中光速的物理符号
- For a birthday treat they took him out on the town. 他们为庆贺他的生日请他去城里娱乐场所玩。
- How could you treat her so badly? Shame on you! 你怎麽能待她那麽坏? 真可耻！
- 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
- That's no way to treat a friend. 那不是对待朋友的方式。
- We should treat people and animals with humanity. 我们应该仁慈地对待人和动物。
- Let me treat you to a good meal. 我来招待你吃顿好饭。
