pumping drainage的例句大全

Results indicate that adjusting speed with frequency modulating technique is economically feasible and pumping drainage flow can increase about 8m3/ s.

结果表明，采用变频调速经济上是可行的，并可增大排涝流量近8m3/s。

Construction Drainage of Kui Qi Water Logged Areas Drainage Pumping Station

东部地区站场设计经验浅谈魁岐排涝站的施工排水

On the design for the deep foundation pit support of the drainage pumping station in Hefei University of Technology and some consideration

合肥工业大学排水泵站深基坑支护设计及体会

Construction Technology of Water Collection Tank in Drainage Pumping Station

排水泵站集水池施工技术

is the modern water supply and drainage engineering, pumping station project, sewage treatment plant, water treatment equipment, municipal engineering major suppliers.

是现代给排水工程、泵站工程、污水处理厂、水处理成套设备、市政工程的专业供应商。

cause and countermeasures against inefficient drainage pumping plant in the southwest of tangshan

唐山市西南部排涝泵站效益衰减原因及对策

LBX screw pump applies various to, agricultural irrigation water pumping station, urban drainage project, etc.

LBX螺旋 泵适用于各种给(排)水泵站, 农业灌排, 城市排涝等工程.

The stability of a electric system can be effected by the real the false power impact caused by the fre-quent start-up and stop-down of a large synchronous motor in a large electric pumping station for irrigation and drainage.

大型电力排灌泵站中大型同步电动机的频繁起动和停机引起的实功和虚功冲击会影响电力系统的稳定性。

Results Pneumothorax occurred in 7 cases ( 0.69%); among them, 4 cases were cured by thoracic capacity puncture pumping air, and 3 cases with tension pneumothorax were cured by thoracic capacity close drainage for 2~ 3 days.

结果7例（0.69%）并发气胸，4例经胸腔穿刺抽气后治愈，3例为张力性气胸，行简易胸腔闭式引流2~3d后治愈。

Based on the char-acteristic of large fluctuation in static head of the drainage pumping station of a hydropower station, this paper presents a mathematic model for economic operation of the pumping station with calculating method and example.

本文根据水电站排水泵站静扬程变幅大的特点，建立了泵站经济运行的数学模型，给出了计算方法，并附有算例。