国产精品久久久久AV麻豆_狠狠色噜噜狠狠狠狠97俺也去_漂亮人妻洗澡被公强 日日躁_天干天干天啪啪夜爽爽AV

鑄造平(ping)臺 成就員工(gong) 創知名品牌 建專家(jia)團隊
Leading Technology Accurate and Fair Efficient and Integrity

污水管網設計

2018-04-27 市政污水管網設計要點的思考

城(cheng)(cheng)市(shi)污(wu)(wu)水(shui)管(guan)網承擔著收集城(cheng)(cheng)市(shi)污(wu)(wu)水(shui)、保(bao)護環(huan)境的(de)(de)(de)(de)職能(neng),是(shi)城(cheng)(cheng)市(shi)重(zhong)要的(de)(de)(de)(de)基礎設(she)施之一,合理(li)的(de)(de)(de)(de)設(she)計(ji)污(wu)(wu)水(shui)管(guan)網,對城(cheng)(cheng)市(shi)的(de)(de)(de)(de)發展和功能(neng)完善有著重(zhong)要的(de)(de)(de)(de)影(ying)響作用。本文簡述關于污(wu)(wu)水(shui)管(guan)網的(de)(de)(de)(de)設(she)計(ji)要點(dian)。 關鍵詞:市(shi)政;污(wu)(wu)水(shui)網;設(she)計(ji)要點(dian) 引(yin)言隨著我國工業化和城(cheng)(cheng)市(shi)化進程的(de)(de)(de)(de)加快,...

閱讀全文

2018-04-27 污水管道設計核心名詞及參數

一(yi)、設(she)計充(chong)滿度(du) 在設(she)計流量(liang)下(xia),污水(shui)(shui)(shui)在管(guan)道中的水(shui)(shui)(shui)深h與管(guan)道直徑D比值稱為(wei)(wei)設(she)計充(chong)滿度(du),它(ta)表示(shi)污水(shui)(shui)(shui)在管(guan)道的充(chong)滿程(cheng)度(du);設(she)計充(chong)滿度(du)一(yi)般(ban)小于(yu)1;小于(yu)1時(shi)稱為(wei)(wei)非滿流;等于(yu)1時(shi)稱為(wei)(wei)滿流; 污水(shui)(shui)(shui)管(guan)道采用非滿流這樣(yang)規定原因(yin): 1.污水(shui)(shui)(shui)流量(liang)時(shi)刻變(bian)化,很難(nan)精確計算...

閱讀全文
    12

友情鏈接