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论述钢水质量、铸机设备、工艺操作、铜管结构及生产管理等对铜管使用寿命的影响。通过改进工艺设备和提高生产管理水平。铜管使用寿命大幅度提高。
Discussed the quality of molten steel, casting machine equipment, process operation, brass structure and production management on the service life of brass. Through the improvement of process equipment and improve the level of production management. Copper life increased significantly.