The method of internal combustion with high speed jet nozzle used in the local whole post weld heat treatment of spherical tanks was reviewed.
对球形储罐焊后整体热处理常用的燃油高速喷嘴内燃法进行回顾，并就开始研制的微机自动控制系统做了简介。
The weld is the most important section in nature gas pipeline installation, its quality relates to the whole engineering safety and usage.
天然气管道安装中焊接是整个施工中最为重要的环节，焊缝质量的好坏关系到整个工程的安全与使用。
The fabricated vessel shall be post-weld heat treated as a whole in an enclosed furnace whenever possible.
只要有可能，制造的容器应在一个封闭炉中进行整体焊后热处理。
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