“古代北京城水利”的概念、定义、翻译、参考文献-科学参考

单词	古代北京城水利
释义	古代北京城水利 Encyclopedia 工学〔中国古代城市水利〕释 water conservancy of ancient Beijing city古代北京城水利北京位于永定河与潮白河洪积冲积扇脊部，这两条河都距城区较远流过，引用存在许多困难。北京降水量年内分布很不均匀，总径流量偏少，自古就是缺水地区。开发利用永定河与潮白河水资源并防止其洪水灾害，是古代北京城水利的重点。
随便看	Mount Yunju-Lake Zhelin Scenic and Historic Area Mount Yuntai Scenic and Historic Area moupin pika mourite mourning apparel mourning apparel system Mourning Becomes Electra Mourning My Husband mourning of three years Mourning Poems Mourning to My Late Wife Mou Rong mouse mouse-elephant curve mouse hepatitis mouse hole caliper mouse lymphoma assay mouse nipple mouse pox mouse reovirus type 3 infection mouse Sendai virus infection mousetrap mousetrap apparatus Moushan Lake Mou's Manor

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