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关注：1
2013-05-23 12:21
求翻译：The pit was designed with a width of 1250 m, length of 1400 m and depth of 430 m. The height of the bench is 24 m and the overall slope angle is about 50是什么意思？ 待解决
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The pit was designed with a width of 1250 m, length of 1400 m and depth of 430 m. The height of the bench is 24 m and the overall slope angle is about 50
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