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-package
vacuum-packing
vacuum packing
vacuumized package
Vacuum
Vacuumize
vacuum packaged
vacuum package
vold packing
vacuum-packed
LDPE film with vacuumed
vacuum packaging
modified atmospere packaging
vacuuming packaging
Vacuum pack
vaccum packaging
Vacuumizing
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 gas packing
nitrogen charged packaging
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