vacuum pan真空盘,真空锅
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 and heaping combined reinforcement真空与堆载联合加固
vacuum combined with surcharge preloading真空-堆载联合预压
Vacuum technology -- Graphical symbols真空技术。图形符号
vacuum pyrocondensation packing technology真空热缩包装技术
vacuum-heaped combined preloading method真空堆载
vacuum low-temperature continuous drying真空低温连续干燥
Vacuum coating plant generic specification真空镀膜设备通用技术条件
Vacuum suction vehicles and semi-trailers真空吸污车