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机械工业部机床工具总局,关于《机床灰铸铁中缺陷修复技术条件暂行规定》的通知中规定,机床滑(滚)动导轨面和重要的移动导轨面缺陷不得补焊,只能在规定的范围内用塞堵,而在导轨边缘或靠近边缘的缺陷也不能塞
Machinery Industry Ministry of Machine Tool General Administration of China, on the “machine gray cast iron defect repair technical conditions Interim Provisions,” the notice provides that the machine tool (rolling) moving rail surface and important moving rail surface defects shall not be repaired, only within the specified range Internal plugging, and in the edge of the rail or near the edge of the defect can not be plugged