- 
				           		
This paper introduces the observation methods of ground movement, data processing and surface movement parameters.
						        										 	
						        					            	
				            	介绍了顾桥煤矿岩移观测方法、地表移动参数和数据处理。
								    				            	
				 	    						                 	youdao
				            					            						        	 
		         		 		        			         		
		          					          
		          			                            				          						        				          							        	- 
				           		
This paper introduces the observation methods of ground movement, data processing and surface movement parameters.
						        										 	
						        					            	
				            	介绍了顾桥煤矿岩移观测方法、地表移动参数和数据处理。
								    				            	
				 	    						                 	youdao