vacuum can真空罐
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 target value真空目标值
vacuum braked stock真空制动车辆
vacuum freezing dry真空冷冻干燥
vacuum instillation真空蒸馏
vacuum distillation真空蒸馏
vacuum permeability真空磁导率
vacuum shape change真空形变
vacuum hermeticness真空严密性
vacuum spray drying真空喷雾干燥
vacuum extensometer真空伸长计