Read Edit View history 多晶 duōjīng polycrystalline Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 多晶 · duōjīng · polycrystalline 2026/03/04 多晶 duōjīng polycrystalline polycrystalline 多晶硅是生产太阳能电池板的主要原材料。 created sense Mar 4, 2026, 02:25 AM