真空充氮包装机
vacuum-nitrogen charged packaging machine
包装和食品机械
packaging and food machinery
包装和食品机械行业
packaging and food machinery industry
包装和食品设备
packaging and food machinery
包装环境的杀菌
asepsis of packaging environment
包装环境有害物质
packaged environmentally hazardous substances
包装缓冲特性
Package cushioning characteristic