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在1974年原体观测和鱼道局部修整的基础上,开展了1975年裕溪闸鱼道原体观测工作,现将观测结果小结如下。
On the basis of the original observation of 1974 and the local trimming of fish tracks, the original observation of the original Yushan traps in 1975 was carried out. The results of the observations are summarized as follows.