编者按:本期刊载的是东北地区水力发电学会小水电专业委员会第十二届学术会议论文专辑。东北地区水力发电学会小水电专业委员会成立于1990年,由东三省农村水电主管部门轮流坐庄召开学术会议。至今已举办了12届学术会议,参加人员涵盖东三省水 Editor’s Note: This issue contains the Northeast Asia Hydropower Society Small Hydropower Professional Committee of the 12th session of the academic papers. Northeast Hydropower Society of Small Hydropower Professional Committee was established in 1990 by the eastern provinces and rural hydropower take turns sitting Zuozhuang academic conference. To date, 12 academic conferences have been held with participants covering the water of the Northeast