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美国通用电气公司投资2550万美元用于设计、制造和试验最先进的船用齿轮磨齿机。考虑到美国海军所用的淬火磨齿齿轮要求传递功率大、尺寸小而重量轻,美国通用电器公司投资制造世界上最精密的磨齿机。经过五年的研制,全套设备已完成。该公司不满足于现有设备,重新编写标准并与主要专业厂密切合作研究一种新的精
General Electric of the United States invested 25.5 million US dollars to design, manufacture and test the most advanced marine gear grinding machine. Considering that the United States Navy’s use of quenched grinding gears requires large transmission power, small size, and light weight, General Electric Corporation of the United States invested in the world’s most sophisticated gear grinding machine. After five years of development, a full set of equipment has been completed. The company is not satisfied with existing equipment, rewrites standards and works closely with major professional plants to study a new