weathered coal的意思|示意
风化煤
weathered coal相关短语
1、 width of weathered coal zone 煤层风化带宽度
2、 weathered coal residual 风化煤渣
3、 peat and weathered coal 草炭与风化煤
4、 weathered coal-based coated fertilizer 风化煤复合包裹控释肥
5、 weathered and oxidized coal 风化氧化煤
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