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micron;鍨鐟︽繝濠傜墦%E閿熸枻鎷烽棻娑氱矙閸ф閱囬柕澶堝偍婵32p|317|318&zd_product1_sx11=243&zd_product1_sx6=353">200µm ＜ D90 ≤ 300µm
300µm ＜ D90 ≤ 700µm
D90 ＞ 700µm