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水力疏通
采用提高管渠上下游水位差,加大流速来疏通管渠的方法。
来源:《城镇排水管渠与泵站运行、维护及安全技术规程 CJJ68-2016》
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Archiver|手机版|小黑屋|牛马Next ( 苏ICP备17047105号-6 )Published by Stonespider

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