For larch plantations on the gentle slope, the operation efficiency of tractor skidding is better than that of animal skidding.
对于平缓坡的落叶松人工林，拖拉机的集材效率优于畜力的集材效率。
For larch plantations on the gentle slope, the operation efficiency of tractor skidding is better than that of animal skidding.
对于平缓坡的落叶松人工林，拖拉机的集材效率优于畜力的集材效率。
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