在日常生活中,人们经常接触到大量的液体包装商品,如酱油、醋、酒类、发乳、头油和墨汁等。这些商品不但品种繁多,而且需求量极大,仅酱油一项,北京市每天就要消费上百万斤。然而这些液体商品的包装工艺却比较落后,有些产品仍然沿用着笨重的手工操作。北京第四制药厂过去生产的液体咳嗽糖浆,包装中几道工序全靠手工操 In daily life, people often come into contact with a large number of liquid packaged goods, such as soy sauce, vinegar, alcohol, hair milk, head oil and ink. Not only is the wide variety of these products, but also the huge demand. Only one soy sauce consumes over one million jins per day in Beijing. However, the packaging of these liquid products is relatively backward, and some products still follow cumbersome manual operations. Beijing Fourth Pharmaceutical Factory in the past the production of liquid cough syrup, packaging processes rely on a few manual