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洗衣粉及其他粉粒物料的塑料软袋小包装在我国得到十分广泛的应用。使用最普遍的数量最大的是聚乙烯(PE)单膜小袋,包装重量一般多在500克(1市斤)以下,薄膜厚度也多在0.05毫米左右。这是由我
Laundry powder and other plastic materials, soft plastic bags small package in our country has been very widely used. The most commonly used is the largest number of polyethylene (PE) single-pouch, packaging weight generally more than 500 grams (1 jin) less than the thickness of the film is also about 0.05 mm. This is me