短語(yǔ)詞組短語(yǔ)coal and reserves control 煤炭?jī)?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?jī)?chǔ)量琯理world coal reserves 世界煤儲(chǔ)量proved coal reserves 探明煤炭?jī)?chǔ)量coal reserves calculation 儲(chǔ)量計(jì)算 返回 coal reserves