关于hardener的百科

• hardener造句怎么写

• Themechanismofhardenerandadvantagestoaddhardenerinstabilizedgravelbaseareintroduced.Mixbasewiththinnerfirst,thenaddhardener.TothecharacterdoseW0andW1ofhardener,thetheoryiscorrect,butforthecharacterdoseW2ofhardener,thetheoryisnecessarytoberectified.Yo...
• 2021-12-0932136