1. 
								
									
        Telephone cable transmission distance
        
		        					
        In our general construction process, we do not consider the transmission distance of large logarithmic local telephone cables and ordinary telephone lin...
        
									
        
								        
							
      2. 
								
									
        What problems should we pay attention to when transporting electric wires and cables?
        
		        					
        Wire and cable products need to go through a certain process of transportation and storage from the factory to delivery to the user. During this period,...
        
									
        
								        
							
      3. 
								
									
        Attention points in the application of wire and cable products?
        
		        					
        1, sprain, pull cable in the installation process, should use the wire release frame, otherwise it is easy to cause twisting and twisting cable sprain a...
        
									
        
								        
							
      4. 
								
									
        Why do flame retardant cable products burn when lit with lighters?
        
		        					
        First of all, the definition of flame retardant cable is: flame retardant cable, cable with specified flame retardant properties (including flame retard...
        
									
        
								        
							
      5. 
								
									
        Excuse me, what is the difference between your outdoor network cable and indoor network cable?
        
		        					
        The outer sheath of outdoor network cable is PE (polyethylene), which has the characteristics of corrosion resistance and ultraviolet resistance. The ou...
        
									
        
								        
							
      6. 
								
									
        Why to discover indoor 4 core fiber optic cable construction to be able to be like after finishing f
        
		        					
        Because in the construction process, the cable sheath is pulled when threading, and the tension is too large. When the construction is completed, the sh...
        
									
        
								        
							
      7. 
								
									
        Why does the GYXTW outdoor optical cable only produce less than 12 cores?
        
		        					
        GYXTW is a central beam tube type, that is, there is only one loose sleeve in the middle. According to the national standard on the color of fiber core,...
        
									
        
								        
							
      8. 
								
									
        If distinguish module 90 degrees and 180 degrees IDC line?
        
		        					
        The Angle formed by the direction of the crystal head insertion module and the direction of the wire cutter is used to distinguish. The speech module an...
        
									
        
								        
							
      9. 
								
									
        How to distinguish indoor optical cable from color?
        
		        					
        Yellow represents single-mode optical cable; Orange represents multimode optical cable; Some manufacturers use blue to represent multi - mode million op...
        
									
        
								        
							
      10. 
								
									
        What is the transmission distance of multimode optical cable in gigabit network?
        
		        					
        A1a (50/125um) class multi-mode fiber has a transmission distance of 550 meters; A1b (62.5/125um) class multimode fiber has a transmission distance of 2...
        
									
        
								        
							
        11. 					
      
					
      
						 15  records 1/2 page  next page      1  2     					
      
									
      
			
      
		
      
		
	
      



主站蜘蛛池模板：
久久久久人妻精品一区三寸|
亚洲精品美女久久久久99|
手机看片1024旧版|
开心五月激情综合婷婷|
亚州**色毛片免费观看|
猫咪免费人成在线网站|
国产亚洲成AV人片在线观看|
18禁裸体动漫美女无遮挡网站|
性一交一乱一视频免费看|
久久精品国产导航|
毛片色毛片18毛片美女|
厨房掀起馊子裙子挺进去|
国产视频你懂的|
国内自产少妇自拍区免费|
中文字幕三级久久久久久|
日韩高清第一页|
亚洲欧洲中文日产|
精品一区二区三区在线播放视频|
国产区精品在线|
67194久久|
图片区小说校园综合|
一级毛片看**在线视频|
日本韩国视频在线观看|
亚洲国产AV一区二区三区|
白白的肥岳嗷嗷叫|
国产suv精品一区二区6|
91抖音在线观看|
国产精品免费播放|
99视频精品全部在线观看|
性欧美激情videos|
久久九九久精品国产|
欧美aaaaa|
亚洲欧美在线观看视频|
男女国产一级毛片|
另类人妖交友网站|
青青青手机视频在线观看|
国产精品亚洲片在线观看不卡
|
久久九九AV免费精品|
樱花草在线社区www|
亚洲欧洲国产视频|
烈血黄昏中视频|