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由镇江润州微机电控仪器厂研制的ZW—X3型线切割微机控制机在1991年春节前夕通过鉴定。来自上级机关、科研单位和用户厂的代
ZW-X3 WEDM developed by Zhenjiang Runzhou Microcomputer Electronic Control Instrument Factory passed the appraisal on the eve of Spring Festival in 1991. From the higher authorities, research institutes and user plant on behalf of