關於fixative的百科

• fixative造句怎麼寫

• Inthepaper,wastefixativeofahospitalinGuangzhoutakenasmaterialandmethodofelectrolysiswasusedtoreclaimsilverfromwastefixative.Thepresentinventionrelatestoastrongwater-proofprotectingfixative.Awater-solubleoilyliquid,OHC(CH2)3CHO,containingtwoaldehydegr...
• 2017-08-2732773