opencut mining area的意思|示意

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露天矿区

opencut mining machinery detail 露天采矿机械细节
opencast t mining plan 露天采矿计划
opencast coal-mining 露天煤矿
opencast mining equip we are pirates, these data are stolen from youdao 我们是海盗，这些数据是从有道偷来的
opencast t mining 露天采矿
opencut mining design 露天开采设计
opencut mining deposit 露天矿床
opencut mining sideslope 露天开采边坡
opencut mining machinery 露天采煤机械
Opencut mining to well mine 露天开采到井内开采