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With the external world of computer information communication tool is D.
计算机同外部世界进行信息交流的工具是D。
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D machine tool group is one of the leading companies in China machine tool industry.
机床集团是中国机床企业的主要企业。
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D machine tool group is one of the leading companies in China machine tool industry.
机床集团是中国机床企业的主要企业。
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