opencut mining design的意思|示意

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露天开采设计

opencut mining area 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
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
opencut coal mining technology 露天采煤技术