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螺杆票转子表面强化技术鉴定会［本刊讯］为了提高螺杆泵湿式混凝土喷射机转子的使用寿命，上海钢铁工艺技术研究所和马鞍山矿山研究院联合进行转子表面强化技术研究，通过三年多的实验研究、半工业试验和在铜陵新桥硫铁矿的工业试验，获得了预期的效果。１９９３年１２月...
In order to improve the service life of the screw pump wet concrete jet rotor, the Shanghai Iron and Steel Technology Institute and the Ma On Shan Institute of Mining joint rotor surface strengthening technology research, through more than three years Experimental studies, semi-industrial tests and industrial tests in Xinqiao pyrite in Tongling achieved the expected results. December 1993 ...