以下过滤操作中不正确的是 A.液面不要低于滤纸的边缘b.漏斗下端管口要紧靠烧杯的内壁c.滤纸边缘要低于漏斗口d.玻璃棒要靠在三层滤纸的 Template




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tomski以下过滤操作中不正确的是 a.液面不要低于滤纸的边缘b.漏斗下端管口要紧靠烧杯的内壁c.滤纸边缘要低于漏斗口d.玻璃棒要靠在三层滤纸的 coloring