The utility model relates to a canal lock containing guide screw, and the canal lock is in the field of water conservancy facility.
本实用新型为一种内藏丝杠式渠闸,属于水利装置领域。
On the base of Analyzing inducting and summarizing, the writer will mainly discuss the influence of the Tai Lake basin water conservancy facility of Qing Dynasty to the society of Chiangnan.
在前面分析、归纳、总结的基础上,着力探讨清代前期太湖流域水利建设、河道的浚治,对清代江南社会产生了哪些影响。
On the base of Analyzing inducting and summarizing, the writer will mainly discuss the influence of the Tai Lake basin water conservancy facility of Qing Dynasty to the society of Chiangnan.
在前面分析、归纳、总结的基础上,着力探讨清代前期太湖流域水利建设、河道的浚治,对清代江南社会产生了哪些影响。
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