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关注:1
2013-05-23 12:21
求翻译:The proposed tunnel alignment encounters mainly fresh and hard Quartz-Mica Schist with a few prominent sheared rock zones.是什么意思?![]() ![]() The proposed tunnel alignment encounters mainly fresh and hard Quartz-Mica Schist with a few prominent sheared rock zones.
问题补充: |
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