真空充氮包装机
vacuum-nitrogen charged packaging machine
超声波结合真空包装
super-sonic and vacuum packaging method
传统真空包装
traditional vacuum packing
双室真空包装机
double-chamber vacuum packaging machine
double-chamber vacuum packing machine
真空包装
Vacuum
vaccum packaging
vacuum packaging
vacuum packing
vacuum packaged
vacuum package
vacuuming packaging
Vacuum pack
LDPE film with vacuumed
Vacuumizing
Vacuumize
vacuum-package
modified atmospere packaging
vold packing
vacuumized package
vacuum-packing
vacuum-packed
vacumm-packed
真空包装和封口机
vacuum packing and sealing machine
真空包装鲜莲籽的研制
Development of Vacuum Packed Fresh Lotus Seeds
自动真空包装机
automatic vaccum packager
充氮包装
nitrogen charged packaging
nitrogen gas packing
双室充氮包装机
two-chamber with nitrogen charged packaging machine
低真空氮碳共渗
low-vacuum aitrocarburizing
低真空空气测微仪
low vacuum air micrometer