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| 2020, Vol. 27(4): 5-6 DOI: | ||
| Be an Oil Craftsman with Proficient Skills in the New Era | ||
| Zhao Qifeng | ||
| oil production worker at 8#, Oil Production Area III, Huanxiling Oil Production Plant, Liaohe Oilfield Company | ||
| Received null Revised null | ||
| Supporting info | ||
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