亚洲精品亚洲人成在线观看麻豆,在线欧美视频一区,亚洲国产精品一区二区动图,色综合久久丁香婷婷

        

          

              




              

              
	
                
              
	
	

              

              





              	當(dāng)前位置：首頁   >  英漢互譯  >  水輪機(jī)與水泵專業(yè)英語  >  正文 
              



              
	
              
		
		
              
			
              
				
              8.3 Functions of Governors
               工程科技 
              
				
              

										 
                      Much equipment connected to a hydroelectric system is sensitive to frequency variation.Therefore, speed control of the system is a necessity. Regulating the quantity of wateradmitted to the turbine runner is the usual means of regulating and maintaining a......（本文共 2780 字）      [閱讀本文] >> 
               
			  
				 
              
				 
				
				
              
					開通會員，享受整站包年服務(wù)立即開通 >
				
              
				

			
              

			
              
				
               推薦內(nèi)容