vacum up 清空
Vacum Cleaner 吸尘器
vacum-junction 真空热电耦合
Vacum oil purifier 真空净油机
vacum mintensifier 真空增压器
pulse vacum tin removal 真空吸锡法
vacum pump 真空泵
VACUM FLASK 保温瓶
Vacum cleaners pf this brand are competitive in the international market and are the best-selling products of their kind.
这种牌子的真空吸尘器在国际市场上很有竞争力，并且这类产品中销售最好的。
When I was younger, I had the craziest ideas around on how the train system would work, how computers can turn into robots and how electronics can help me iron my clothes and vacum the floor.
小时候，我是个疯狂的梦想着的是关于列车系统是如何工作的，电脑是如何可以变成电子机器人的，以及机器人如何能帮助我熨烫我的衣服帮助我用吸尘器清洁楼梯。
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