Chinese made tunnel boring machine completed in Kunming
Xinhua | 2017-08-02 09:21
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Workers celebrate the completion of the tunnel boring machine (TBM) "Caiyun" in Kunming, capital of Southwest 皇冠体育app's Yunnan province, Aug 1, 2017. The Chinese made TBM, which has a 9.03-meter cutter head, was completed in Kunming on Tuesday and it will be used to drill a railway tunnel in the province. [Photo/Xinhua] |
