大家都搜：
真空度低
1、a low heat───低热
2、bagged vacuum───袋装真空
3、at a low───处于低水平（或数字）
4、vacuum───vt.用真空吸尘器清扫；n.真空；空缺，空白；真空吸尘器；adj.真空的；利用真空的；产生真空的
5、guzzler vacuum───真空吸尘器
6、a low price───低价
7、bristle vacuum───刷毛真空
8、a low key───低调
9、abhorring a vacuum───讨厌真空
1、The article introduces the structure feature and heat treatment technology of a low vacuum nitriding furnace for treating axle work pieces.───本文介绍了处理细长轴件的低真空氮化炉的结构特点和热处理工艺。
2、The washing dirt suction device can be used to clean the floors, trains and motor cars, and used as a low vacuum suction cleaner.───本冲洗吸污器不仅可清洗地面、火车、汽车，还可作低真空吸尘器。
3、Studying and Resolving of the Phenomenon of a Low Vacuum in the Cold Part of a Condenser in a Electric Plant───某电厂凝汽器冷端真空偏低现象的研究与解决
4、But low-Earth orbit isn't a perfect vacuum.───但近地球轨道不是一个完美的的真空。
5、Under these conditions, a vacuum is indicated on the low pressure side.───在这些情况下，说明低压端存在一个真空状态。