old shallow mine workings的意思|示意
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旧浅矿井
old shallow mine workings的网络常见释义
废弃的浅埋矿井 ... hill [hil] n. 小山；丘陵；斜坡；山冈 old shallow mine workings 废弃的浅埋矿井 regime [rei'?i:m] n.政体；状态 ...