“surface and underground mining at the same time”的概念、定义、翻译、参考文献-科学参考

单词	surface and underground mining at the same time
释义	surface and underground mining at the same time Encyclopedia 工学露天与地下联合开采释 surface and underground mining at the same time露天与地下同时开采矿床从开始开采直至相当长的时期内，露天开采与地下开采同时进行的开采方式。
随便看	proportional intensification proportional-intergral-dervative control proportionality proportionality coefficient proportionality factor proportional limit proportional loading proportionally cutting circle proportional mean proportional navigation proportional numbers proportional odds model proportional odds regression model proportional part proportional plus integral plus derivative control proportional plus integral plus differential control proportional-plus-integral-plus-differential control proportional price rule proportional profile proportional region proportional regulator proportional regulatory systems proportional relation proportional relations among agriculture,light industry and heavy industry proportional relations among primary industry,secondary industry and tertiary industry

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