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Date Pair Term Level Status Answers (undeclined) Gloss
Jul 17 '14 chi>eng 矿产资源赋存简况 easy open 1 no
Jul 17 '14 chi>eng 开采方案设计 easy closed 1 ok
Jul 17 '14 chi>eng 地层, 区内主要出露的地层为第三系(E)及第四系 pro open 1 no
Asked | Open questions | Answered