Symmetric Gear Reducers from F. L. Smidth are famous for their impact structure, operation reliability, long service life and high efficiency. Therefore many sets are imported in recent years.
丹麦史密斯公司的对称齿轮式减速机以其结构紧凑，运行可靠，寿命长，效率高著称，近年来引进较多。
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