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關注:1
2013-05-23 12:21
求翻譯:The mining section was 600 m long in strike, 630 m in dip which was divided three panels to mine and every one is 210 m by mean是什么意思?![]() ![]() The mining section was 600 m long in strike, 630 m in dip which was divided three panels to mine and every one is 210 m by mean
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