A problem existing plate dryer for pyrite concentrate drying is also raised and modification measures are put forward for plate dryer and spreading rod.
分析盘式干燥机用于硫精矿干燥存在的问题，并提出对干燥盘和耙杆进行改造的措施。
Production and sales of products covered Straightener, hair clippers, hair dryer, rod, scissors and other products.
集生产与销售为一体，产品涵盖了电夹板、电推剪、电吹风、圆棒、剪刀等系列产品。
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