汤二征, 何瑞银. 东方红-1204型拖拉机经济寿命的计算与分析[J]. 云南农业大学学报（自然科学）, 2011, 29(2): 265-271.
| 引用本文: |
汤二征, 何瑞银. 东方红-1204型拖拉机经济寿命的计算与分析[J]. 云南农业大学学报（自然科学）, 2011, 29(2): 265-271.
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TANG Er-zheng, HE Rui-yin. Calculation and Analysis on Economic Life of Tractor Named Dongfanghong-1204[J]. JOURNAL OF YUNNAN AGRICULTURAL UNIVERSITY（Natural Science）, 2011, 29(2): 265-271.
| Citation: |
TANG Er-zheng, HE Rui-yin. Calculation and Analysis on Economic Life of Tractor Named Dongfanghong-1204[J]. JOURNAL OF YUNNAN AGRICULTURAL UNIVERSITY（Natural Science）, 2011, 29(2): 265-271.
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