The technological process and the basic construction of a encircling weld lathe for boiler sootblower's pipe are described in this paper.
介绍了锅炉吹灰器枪管环缝焊接机床的基本组成和工艺过程，设计了基于可编程控制器的电气控制系统和软件系统。
The construction procedures for wrapped cable are described in terms of construction preparation, folding-off wrapped cable, thermo-weld of joints as well as used equipment.
结合缠绕式光缆施工的经验，介绍了电力系统中缠绕式光缆的施工流程及有关操作，并阐述了施工的方法、使用的机具以及注意事项。
But the mechanical properties of weld joint have influence on selection of welding technology and welding material, and on strength calculation of construction.
而接头性能直接影响着结构焊接工艺的选择和强度计算。
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