英语词汇“room-and-pillar mining”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	room-and-pillar mining
释义	room-and-pillar mining un.房柱法开采；🌏房柱式采煤法；房柱式开采
随便看	CNS regeneration cnss CNSS CNS-SC cnr C.N.R cn/radiation/和http://cancernet c-N-ras Gene c N ras Genes c-N-ras Genes c-N-ras Proto-Oncogene c N ras Proto Oncogenes c-N-ras Proto-Oncogenes c-N-ras基因 cn ratio cns stimulant CNS stimulant cns syndrome CNST Cnstantinople cn star CN star CNSTR cnstruct c/n ratio