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自1981年5月国家劳动总局颁发“压力容器安全监察规程”以来,石油、化工、冶金、机械、轻工等系统行业都按照“规程”的要求,对在用的压力容器进行了普遍的全面检查。经过检查的容器在不同程度上存在着这样或那样的各类缺陷,特别是十年内乱中制造的容器,存在的问题就更为严重。由于生产的连续性,容器的结构及停工检修期短、更换周期长等因素,有时对检查出的容器大面积的缺陷不能
Since May 1981, the State Administration of labor issued the “Pressure Vessel Safety Supervision Regulations” since the oil, chemical, metallurgical, machinery, light industry and other systems industries are in accordance with the “rules” requirements, in the pressure vessel used in a comprehensive and comprehensive an examination. To varying degrees, there are various kinds of defects in the checked containers, especially the containers made in the last 10 years of civil strife. The problems are even more serious. Due to the continuity of production, the structure of the container and the short maintenance period, the replacement cycle length and other factors, sometimes the inspection of the container can not be a large area defects