gravity pump 中文意思是什麼
gravity pump
解釋
重力泵-
Our company possesses gravity casting machines, diecating machines, temperature preservation furnace, heat treatment facility and also has strong technical force, extreme perfect testing facility, stable and reliable product quality. our main products are : motorcycle parts, power tools outer shell, motorcycle hydraulic brake pump medical equipment, heavy equipment series, etc, threreinto motorcycle hydraulic brake system series of products are mainly matched with china aviation industry ceneral corporation japan xuri machine stock corporation. our products are sold far to japan, usa, germany, etc countries, the products of our company are competitive price and reliable quality, it is deeply praised by the customers. our company has awarded 2000 china hardware exposition famous products and good and excellent enterprise
公司技術力量雄厚，檢測手段完善，產品質量穩定可靠，主要產品有汽配摩配煤氣管道醫療機械重型設備配電箱等等。產品主要銷往日本美國德國等國家。產品質量穩定可靠，深得國內外客戶好評，並榮獲2000年中國五金名品及名優企業，在2004年6月又榮獲第七屆中國國際鑄造鑄件金獎。 -
Based on optimization theories of genetic algorithms and the linear programming, a series of optimal design mathematics models and methods of water transmission conduits and water distribution networks have been presented, in the light of their characteristics. the results are as follows : 1 the linear programming models and calculations of the pressure gravity conduit, the gravity pressure conduit and channel, the pressure conduit with pump station and the pressure conduit in considering pump station flow variations are presented respectively
本文針對不同類型的輸水管線和配水管網系統的特點，應用遺傳演算法和線性規劃等優化設計理論和方法，對其優化設計問題進行了較為系統的研究，成果如下： 1分別建立了重力輸水管道系統、重力輸水管渠系統、泵站加壓輸水管道系統以及考慮流量變化的泵站加壓輸水管道系統優化設計的線性規劃數學模型，並提出了計算方法。 -
2 ) a simplified sprinkler system which is composed of water source, pipeline pump, pipes, current of water display, nozzle, contral valve, is suitable for our country. and its water is supplied by gravity tank or gravity tank or hydrant system or city 3 ) spray intensity of simplified sprinkler system is 3 l / min. m2, protection area of them is 50m2
3 ）簡易自動噴水滅火系統的噴水強度為3 / min . m2 、保護面積為50m2 、噴頭的安裝間距為3 . 7m等參數。 4 ）簡易自動噴水滅火系統最大設計動作噴頭數為四隻，供水時間宜為30min等。
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