通过实验比较看出，为了减少漏电压及施工的方便，把加热管直接焊接在需加热的输液管线或油罐上。
It can be seen through practice that to reduce leakage voltage and facilitate construction, heating pipes may be welded directly to the pipeline or oil tank that needs heating.
提出采用合理控制装配、焊接顺序以及多段逆向大幅度跳焊法等工艺，可有效控制油罐底板焊接时产生的波浪变形。
The authors consider that rational welding sequence and multi-plate skip welding method can effectively suppress the wave-type deformation of bottom welding.
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