關於blackening的百科

• blackening造句怎麼寫

• Inthespringfiresweptacrossthehills,blackeningthem.adiseaseblackeningtheleavesofpearandappletrees.Thesaidliquidconsistsofblackeningliquidandphosphatizationliquid.Theinfluenceofammoniummolybdate,cobaltsulphate,ammoniumbifluoride,acidityofblackeningbath...
• 2018-03-2011746