鑄鐵給水管 的英文怎麼說

中文拼音 [zhùtiěgěishuǐguǎn]
鑄鐵給水管 英文
cast iron pipe for water
  • : Ⅰ動詞(鑄造) cast; coin; make Ⅱ名詞1. (古國名) zhu, a state in the zhou dynasty2. (姓氏) a surname
  • : Ⅰ名詞1 (金屬元素) iron (fe) 2 (指刀槍等) arms; weapon 3 (姓氏) a surname Ⅱ形容詞1 (形容...
  • : 給Ⅰ動詞1 (送對方某物; 使對方得到) give; grant 2 (用在動詞后 表示交與 付出) pass; pay 3 (叫; ...
  • : 名詞1 (由兩個氫原子和一個氧原子結合而成的液體) water 2 (河流) river 3 (指江、河、湖、海、洋...
  • : Ⅰ名詞1 (管子) pipe; tube 2 (吹奏的樂器) wind musical instrument 3 (形狀似管的電器件) valve;...
  • 鑄鐵 : [冶金學]1 (煉鐵) iron casting2 (生鐵) foundry iron; pig; cast iron; c i ; casting pig; foundr...
  • 水管 : waterpipe; water carrier; aqueduct; water conduit; water pipe; syphon; siphon (消防) 水管車 hos...
  1. Considering the electrovalence, the curve of water consumption and the reliability of water supply, this paper respectively sets up the model based on the maximal flux and the model based on the expectation flux. it takes yearly expenditure converting value and yearly cistern converting value as target function and takes continuity equation, velocity of flow and compression resistance of cast iron pipeline as restrictions and sets up the pga model on optimal design of water supply networks

    考慮到峰谷電價、用量變化曲線及用可靠性因素的影響,分別建立了以最高時流量設計網的模型和以期望時流量設計網的模型,以年費用折算值加上清池年造價折算值為目標函數,以連續性方程、中流速和耐壓值等為約束條件,進行并行遺傳演算法對網優化設計的實現。
  2. Malleable iron threaded fittings of lining plastic for water supply

    襯塑可鍛
  3. In recently years, application of new type plastic supply - drain pipe material gets more and more wide spread, it has great progress in our country for production and construction technique of many new type supply - drain pipe materials and component, and relevant material type from zinc - planting - corrugated pipe and iron pipe become to upvc, pp - r, pe - x, pb, pp - c and plastic - alumium, abs and so on

    近年來新型塑料材在建築中的應用越來越廣泛,我國的各種新型材、件的生產技術和施工技術有了很大的發展,相應的材料種類也由鍍鋅鋼變為upvc 、 pp - r 、 pe - x 、 pb 、 pp - c 、鋁塑復合( pap ) 、 abs等等。
  4. In this article, through lab and engineering site trials that the physical data of new type pipe materials is corrected, the results are as follow : ( l ) the expansion coefficient of new plastic pipe materials is more large than that of iron pipe. ( 2 ) new plastic pipe materials have different heat - resisting character and according to the water temperature to choose pipe materials ; ( 3 ) the loss of head of water for new type pipe materials is more smaller than iron pipe and also correct the loss of head of water that calculated by theory ; ( 4 ) probing into the press - resistance character of new plastic pipe materials

    本文通過試驗室試驗及工程現場試驗,對新型材的幾個重要的物理性能參數進行實驗測定,糾正了以往的錯誤認識。研究結果表明: ( 1 )新型塑料材線脹系數遠遠大於鋼,設計和施工中要嚴格考慮道的伸縮; ( 2 )新型塑料材耐高溫性能各不相同,需根據溫選定材; ( 3 )新型頭損失遠小於鋼,並對原頭損失計算公式進行了修正; ( 4 )對于塑料材的耐壓性能進行了探討。
  5. Specification for structural design of buried cast - ironpipeline of water supply and sewerage engineering

    工程埋地道結構設計規程
  6. Specification for structural design of buried cast - iron pipeline of water supply and sewerage engineering

    工程埋地道結構設計規程
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