这种约束对于当今动态的加工生产环境和产品的质量来说具有很大的实际性和重要意义，如在金属加工业、食品加工工厂里都存在这样的约束。
Because this constraint is more relevant and meaningful for today's dynamic producing environment and the quality of products, such as the metal and food industries.
主要应用领域包括：电镀工厂，蚀刻和净化工厂，废水和自来水处理，太阳能，以及纺织和食品加工业。
Main fields of application include electroplating, etching and cleaning plants, sewage and water treatment installations as well as solar, textile and food industries.
环卫处、食品 加工厂、 皮革厂、钢 铝件抛光去毛刺、钢板加工业等。
Sanitation, food processing plants, tanneries, steel and aluminum parts polished deburring steel plate processing industry.
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