基本解释反复熔炼法 回熔英汉例句双语例句The development trends of water base, non-water base and holt melt adhesives for carpet backing are described.简介了水基型、非水基型、热熔型等地毯背衬胶粘剂开发动向。专业释义机械工程焊剂托板冶金工程技术焊药垫