rotary vacuum quick-freezing shaping machine
vacuum freezing drying machine
ballast distributing and trimming machine；ballast distributing and regulating machine
One Machine to More Machine
technique and equipment of on-machine cooling in sintering machine
Aidi freezing dried powder for injection
Aidi freezing dried powered injection
alkali-freezing-thawing cycle
Alternate freezing and thawing
alternate freezing and thawing experiment