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Improve Competitive Ability by Technology Advantage |
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| Authors: | Chang Xin |
| Affiliation: | Great Wall Drilling Cornpany |
| Abstract: | The Great Wall Drilling Company (GWDC) of CNPC is a professional petroleum engineering and technology service company directly affiliated to China National Petroleum Corporation (CNPC). |
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| 本文献已被 CNKI 维普 万方数据 等数据库收录！ | |