Material tank is perfectmatching with grinding basket, very high process efficiency.
研磨筒与篮子尺寸最佳匹配，研磨效率高。
2
Perfectmatching between transmitted piston and gear, with special high intension material to ensure closer to work durable, quite and high efficient.
完美的传动活塞与齿轮的配合，用特殊的高强度材质制造，确保闭门器时间、宁静高效率操作。
3
G is said to be bipartite matching extendable (BM-extendable) if every matching m whose induced subgraph is a bipartite graph extends to a perfectmatching of g.