以下为句子列表：
英文: 422 The welding (heat treatment )of pipes have been carried out with incorporated programming.
中文: 管子的焊接（热处理）现已按照编写的程序完成。
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英文: Calculate the total length of electric heating cables needed acco-rding to total heat loss of pipes or tanks and the chosen power per meter.
中文: 根据管道或容器罐体总散热量和选定的电热带米功率，计算所需电热带总长度。
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英文: Pipe-maling machine is main equipment of production line. It make stainless into all types of pipes through the roller and molding technology.
中文: 制管机是生产线的主要设备，它通过轧辊成型技术，将不锈钢带制成各种类型和不同规格的管材。
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英文: Three phase parallel connection heating cables are suitable forthethermal insulation of pipes with big diameters, pipe lines in nets and tanks.
中文: 三相并联带一般适用于大管径，管网系统管线和罐体的伴热保温。
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英文: The billet hot piercing process and its operation experiences for the production of pipes of superalloy steels GH 0, GH , GH 9 and GH0 on a (?) 7mm piercer are summed up.
中文: 本文总结了在Ф7mm穿孔机上生产GH 0、GH 、GH 9和GH0等高温合金管的管坯热穿孔工艺及操作经验。
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