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3月20日,由宝鸡石油机械有限责任公司研制的7000m拖挂式交流变频电驱动钻机发运出厂,销往利比亚,标志着我国自主研发的7000m系列钻机再添新产品。
March 20, by the Baoji Petroleum Machinery Co., Ltd. developed 7000m trailer-mounted AC frequency conversion electric drive rig shipped shipped to Libya, marking China’s self-developed 7000m series drilling rig to add new products.