鹅毛口

鹅毛口鹅毛口
  1. 依据山西鹅毛口、广东西樵山二采石场遗址指出中国从新石器时代早期起就有了采矿技术。

    Both the ruins of quarryes one at E Mao Kou in Snanxi and another at Xioiaoshan in Guangdong , Show that China has possessed of mining technique since the early period of the Neolithie Age .