Analysis of structural parameters for dipping at high angle and thick orebody with upward horizontal slicing and filling non-pillar continuous mining
英
美
- 急倾斜厚矿体无间柱上向水平分层充填法采场结构参数的研究
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries