huī lú ㄏㄨㄟ ㄌㄨˊ 灰炉 火炉。 宋 陆游 《南唐书·宋齐丘传》：“﹝ 烈祖 李昪 ﹞独与 齐丘 议事，率至夜分……高堂不设屏障，中置灰炉而不设火，两人终日拥炉画灰为字，旋即平之。”
可是它的毛灰灰的，像是从灰炉里钻出来似的，它觉得自己太丑了，常常一个人躲在家里。
But his fur was grey, like he'd wiggled out of a furnace, and he felt himself to be very ugly, often hiding in his house alone.
工业废料，如煮皂炉里的灰，第一次开始在城市里被收集，作为人工肥料在农村出售。
For the first time industrial waste, such as ash from the soap-boilers, was collected in the cities and sold in the country as artificial fertilizer.
如果该方法被证明成功，他们将开始建设全尺寸的加热炉，该加热炉将能够年产15000吨稻壳灰。
If it proves successful, they will begin construction on an full-sized furnace that can produce 15,000 tons of rice husk ash annually.
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