However, suspicion would be caston this theory after cave bears were proved to be omnivorous.

但是, 如果证实了洞熊是杂食性动物,这种观点将受到质疑.

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CASTON has experts from Xuanhua machinery plant with superiority down - the - hole drilling tool and anchorage drill pipe.

凯司通公司拥有多名原宣化采掘机械厂的专家和工程技术人员,在潜孔、锚固钻杆生产方面具有无可替代的优势.

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