vacuumizevt.造成真空(真空包装；用真空装置弄干)vacuumn.真空；真空吸尘器；空白adj.产生（利用）真空的v.用吸尘器打扫vacuum column真空箱,真空塔vacuum mixing真空调合, 真空混合(和), 真空搅拌vacuum firing真空点火vacuum-packn.真空包装vacuum tester真空检验器vacuum filler真空填充器vacuum conche真空精研机vacuum flasks真空瓶vacuumtreatedadj.真空处理的vacuum-coat真空涂覆