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贵阳市热协受市标准计量局和市工艺专业化办公室委托,于1990年12月10～14日在市文化宫举办了热处理标准宜贯学习班。来自本市的23个单位49名从事热处理工艺、检验、仪表、标准化、教学和管理工作的工程技术人员参加了该学习班。学习了《热处理炉有效加热区测定方法》、《钢体渗碳淬火有效硬化层深度的测定和校核》、《钢的应感淬火或火焰淬
Guiyang City Institute of Heating under the Municipal Bureau of Metrology and Municipal Technology Bureau commissioned the specialization of technology, in December 1990 December 10 to 14 in the city Cultural Palace held a heat treatment standard should be consistent classes. 49 engineering and technical personnel from 23 municipalities engaged in heat treatment technology, inspection, instrumentation, standardization, teaching and management participated in the course. Studied the “heat treatment furnace effective heating zone determination method”, “steel carburizing hardening effective depth of the determination and inspection”, "steel should be quenching or flame quenching