- 
				           		Low and even forward (backward) and zero sequence impedance improves the quality of power supply.
						        										 	
						        					            	 电缆具有较低且均匀的正(逆)序和零序工作阻抗,有利于改善供电品质。
								    				            	 youdao 
- 
				           		Low and even forward (backward) and zero sequence impedance improves the quality of power supply.
						        										 	
						        					            	 电缆具有较低且均匀的正(逆)序和零序工作阻抗,有利于改善供电品质。
								    				            	 youdao