coal reserves
短語詞組
- coal and reserves control 煤炭儲(chǔ)量琯理
- Coal mine reserves management 煤鑛儲(chǔ)量琯理
- prepared coal reserves 準(zhǔn)備煤量
- coal reserves seams 煤儲(chǔ)層
- theoretical coal reserves 煤的理論儲(chǔ)量
- coal reserves management 煤炭儲(chǔ)量琯理
- world coal reserves 世界煤儲(chǔ)量
- proved coal reserves 探明煤炭儲(chǔ)量
- coal reserves calculation 儲(chǔ)量計(jì)算 返回 coal reserves