gelatins造句
Calciumhasobviouseffectonthephotographicpropertiesofemulsionsandphysical-chemicalpropertiesofgelatins.TheUnitedstatesonFridayfollowsCanada'sleadintemporarilysuspendingimportsofBrazilianbeef,gelatinsa...
Calciumhasobviouseffectonthephotographicpropertiesofemulsionsandphysical-chemicalpropertiesofgelatins.TheUnitedstatesonFridayfollowsCanada'sleadintemporarilysuspendingimportsofBrazilianbeef,gelatinsa...