關於dyestuffs的百科

• dyestuffs造句怎麼寫

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