vacuum tube真空管;[电子] 电子管;玻璃管;真空管电子管
vacuum permeability真空磁导率
vacuum pumps水力喷射器;真空帮浦;真空泵;水动力喷洒器
Vacuum UV真空紫外线;紫外光;真空紫外光
vacuum evaporation[电子] [物] 真空蒸发;[材] 真空蒸镀;真空蒸壳
vacuum sweeper吸尘器;吸尘车;真空吸尘扫街车;真空扫路机
vacuum filter[化工] 真空过滤器;真空抽滤器
vacuum drying[化工] 真空干燥;真空干燥器;假空做燥;减压干燥器
vacuum hardening真空淬水
N-COUNT（可数名词） If someone or something creates a vacuum, they leave a place or position that then needs to be filled by another person or thing. 空缺
His presence should fill the power vacuum that has been developing over the past few days.
他的出现应该能填补过去几天中形成的权力空缺。
PHRASE（习语） If something is done in a vacuum, it is not affected by any outside influences or information. 在与世隔绝的状态中
Moral values cannot be taught in a vacuum.
道德价值观不能在与世隔绝的状态中进行传授。
N-COUNT（可数名词） A vacuum is a space that contains no air or other gas. 真空
Wind is a current of air caused by a vacuum caused by hot air rising.
风是由热空气上升产生真空而引起的空气流动。
N-COUNT（可数名词） A vacuum is the same as a . 真空吸尘器
V-T/V-I（及物动词/不及物动词） If you vacuum something, you clean it using a vacuum cleaner. 用真空吸尘器清洁
I vacuumed the carpets today.
我今天用吸尘器清洁地毯了。