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原料配比:上等生石灰(块状)2公斤、过筛的硫磺粉2.5公斤(要求细如白面)、水15公斤,即比例为2∶2.5:15。
The ratio of raw materials: 2 kg lime (lump), 2.5 kg sieved sulfur (as fine as white flour), 15 kg of water, that is, the ratio of 2: 2.5: 15.