A.環(huán)氧樹(shù)脂B.不飽和樹(shù)脂C.膠衣樹(shù)脂D.玻璃樹(shù)脂
A.55~65℃B.65~75℃C.75~85℃D.85~95℃
A.≤3minB.≥12sC.≥15sD.≤2min