... 制信封机envelope making machine 制纸袋机sack paper machine 制纸盒机carton making machine ...
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The paper introduces the innovations made upon drying section of sack paper machine and presents the basic running data after the innovation and the effects of the innovation.
分析了可调喷射式热泵的特点，提出一种采用可调喷射式热泵改造纸机干燥部供热系统的方案。
This machine could be used in sewing plastic woven bag, sack, paper bag mouth and binding of Bag-making Plant. It could use single-thread and 2-thread.
该机可供制袋厂缝制塑料编织袋、布袋、纸袋口及圈边之用，该系列机器可单双线两用。
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