常见例句It is used to process as teabag,Heatseal teabag paper is processed as teabag by heatsealable machine.It has performance of soft papery.high wet strength. 产品用于制作茶叶袋，热封型茶叶滤纸是用热封机来制作茶叶袋。产品具有纸质柔软、湿强度高等特点。 返回 heatseal