The numeration of perfect matchings is also one of main focus of matching theory.
在匹配理论中，完美匹配的计数也是匹配理论的一个重要的研究方向。
Material tank is perfect matching with grinding basket, very high process efficiency.
研磨筒与篮子尺寸最佳匹配，研磨效率高。
Material tank is perfect matching with grinding basket, very high process efficiency.
研磨筒与篮子尺寸最佳匹配，研磨效率高。
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