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				           		The key design points of die for direct squeezing casting and the die with two-parting surface were introduced.
						        										 	
						        					            	 给出了直接式挤压铸造模具和双分型面挤压铸造模具设计技术要点;
								    				            	 youdao 
- 
				           		The key design points of die for direct squeezing casting and the die with two-parting surface were introduced.
						        										 	
						        					            	 给出了直接式挤压铸造模具和双分型面挤压铸造模具设计技术要点;
								    				            	 youdao