【运输】降膜式蒸发器【运输】降膜蒸发器

law of falling bodies

falling test【试验】;sedimentation test【临床】;settlement test【矿】

falling curtain obstruction

falling

falling of blossom

safety guards against falling out of the perambulator

fall in price【物】价;falling price【物】价

climbing-falling film evaporator【食品】