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福建省永太县梧桐小溪,两岸悬岩峭壁河槽狭窄,礁石滩险很多,水位暴涨暴落。因为河床坡度有高有低,秋冬季流送困难,陆运又无条件,所以往年木材多集中在春夏季河水上涨中上即将退水的一瞬间进行流送,不能放出的木材,只得留在沟里,任其腐烂。为增产木材,支持国家建设,梧桐林业站职工研究出用卵石筑坝蓄水流送木材的方法,用此方法大大提高了
Yongtai County, Fujian Province, Indus Creek, cliffs across the cliff cliffs narrow, a lot of beach reef risk, the water level soared. Because of the high and low slope of the river bed, autumn and winter flow difficulties, ground conditions and unconditional, so in the past years more concentrated in the spring and summer of the river water is about to rewind in the moment of flow, can not release the timber, had to stay in the ditch , Let it rot. In order to increase timber production and support national construction, workers at Wutong Forestry Station have developed a method of using pebble dam water to send timber, which is greatly enhanced by this method