热封: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。
Heat sealing: a method of uniting two or more surfaces by fusion either of the coatings or of the base materials under control led conditions of temperature pressure and dwell time.
热封: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。
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.
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