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				           		The principle for the oil-quenching and tempering technology of two high chromium martensitic stainless steels is introduced.
						        										 	
						        					            	 介绍两种高铬马氏体不锈钢的油淬火回火工艺原理;
								    				            	 youdao 
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				           		The principle for the oil-quenching and tempering technology of two high chromium martensitic stainless steels is introduced.
						        										 	
						        					            	 介绍两种高铬马氏体不锈钢的油淬火回火工艺原理;
								    				            	 youdao