The article measures the gravity center locations of tree stems with cable crane, the species of tree stems including korean pine, drangon spruce, fa-ber fir, linden, poplar, birch, elm, etc.
用缆索起重机测量了红松、云杉、冷杉、椴木、杨木、桦木、栬木和榆木等树种原条的重心位置。
The article measures the gravity center locations of tree stems with cable crane, the species of tree stems including korean pine, drangon spruce, fa-ber fir, linden, poplar, birch, elm, etc.
用缆索起重机测量了红松、云杉、冷杉、椴木、杨木、桦木、栬木和榆木等树种原条的重心位置。
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