The Reasonable Selection and Modification of Soil Taker
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引用本文: | 张力群. 取土器的合理选用与改进[J]. 钻探工程, 2003, (3): 33-34. doi: 10.3969/j.issn.1672-7428.2003.03.012 |
Citation: | The Reasonable Selection and Modification of Soil Taker[J]. DRILLING ENGINEERING, 2003, (3): 33-34. doi: 10.3969/j.issn.1672-7428.2003.03.012 |