- 
				           		可触及性就是指在维修产品时,维修人员或维修工具能够接触到操作部位的难易程度。
						        					            	 Touch ability is the chance servicemen or tool can touch the operation position while maintaining.
								    										 
								    				            	 youdao 
- 
				           		可触及性就是指在维修产品时,维修人员或维修工具能够接触到操作部位的难易程度。
						        					            	 Touch ability is the chance servicemen or tool can touch the operation position while maintaining.
								    										 
								    				            	 youdao