double-chamber vacuum packaging machine
vacuum packaging machine
vacuum packaging system
super-sonic and vacuum packaging method
Compound soft packaging
soft packaging material by aluminum-plastic compound
soft-packaging large infusion
microwave vacuum drying combined with vacuum drying
non-perturbative QCD vacuum and vacuum condensate
vacuum dryer =vacuum drier
vacuum drying plant and vacuum freeze drying plant
SISO(soft-input-soft-output)