关于dyestuffs的百科

• dyestuffs造句怎么写

• Thedecolorizationresultsofthedyestuffsmixtureandsingledyestuffsolutionwereroughlythesame.Practicehasprovedthedyeingontherealsilkofnaturalplantdyestuffshasbrightprospects.Thedyeingpropertiesofnaturaldyestuffsextractedfromgreentea,purplePerilla,wildcab...
• 2018-06-2024943