heat sealing短语¹⁸⁰⁰⁹⁸⁺¹ 基本例句 热封,熔接,熔焊 Heat sealing A method of uniting two or more surfaces by fusion, either of the coatings or of the base materials, under controlled conditions of temperature, pressure and dwell time. 把两层或多层表面融合为一的方法。它是把涂层或基层材料在固定的温度、压力和接触时间下进行。 kuenglish