论文部分内容阅读
由机械部机械标准化所翔实公司与江西电机厂计量中心联合研制的JY型轴键槽对称度检查仪日前通过了全国形位公差技术委员会专家的技术鉴定。
The JY-type shaft-keyway symmetry tester jointly developed by the Machinery Standardization Institute of the Ministry of Machinery Industry and the Measurement Center of Jiangxi Electric Machinery Factory recently passed the technical appraisal of the experts of the National Geometrical Formations Technical Committee.