vacuum cap真空罩
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 press-in coating真空浸涂
vacuum distillation range减压馏程
vacuum inductance furnace真空感应炉
vacuum-type tensiometer真空式张力计
vacuum degree equilibrium真空度平衡
vacuum with oil quenching真空油淬
vacuum and heating drying真空加热干燥
vacuum filter-thickener真空过滤增稠机
Vacuum electronic welding真空电子束焊接
vacuum controlled advance真空提前