6筛孔 筛孔（sieve pore）是被子植物韧皮部中筛管 分子形成筛管时，纵向邻接的筛管分子上下两端 横壁由于不均匀的纤维素增厚形成筛板，端壁不 完全消失而在...
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It will increase sharply with the decrease of the diameter of sieve pore.
随着筛孔直径的减小，压力梯度大大增加。
Therefore produce good condition and make the materials smaller than the output granularity, especially the big-density materials and pulp get through the sieve pore together.
从而造成了较好的分离条件，使小于分离粒度的物料，特别是比重大的物粒和矿浆一起透过筛孔成为筛下产物锤式粉碎机。
The sieve plate and sieve-pore completely formed lately.
筛板和筛孔的分化较晚发生完全。
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