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
weathered coal相关例句
The characteristics of damage, move we are pirates, these data are stolen from youdao , evolution in mining coal bed in weathered zone were discussed mainly.
重点论述了风化带内煤层开采的覆岩破坏移动演化特征；