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河道渠化
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河道渠化
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河道渠化
释
river canalization
河道渠化
通过建设闸坝和船闸、升船机等建筑物以及人工裁弯、缩窄河床和固化河岸等工程措施,将天然河流改造成较为规则的渠道,使河流成为互相衔接的梯级,以达到增加通航水深和改善航行条件的目的。
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Study of Ancient Chinese Costumes
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study of archival documents compilation
study of archives conservation techniques
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study of Book of Songs
study of character model during Tang Dynasty
Study of Chu Ci
study of contemporary Chinese character
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