As an emphasis, the fusion zone is always studied by the welding engineers for a long time.
长期以来，异种钢接头熔合区一直是焊接工作者研究的重点。
While MIG could complete the job faster, the welding engineers decided in this case that the precision of the TIG welding process is needed.
尽管MIG焊能更快完成作业，焊接工程师决定在这种情况下需要TIG焊的精确性。
Our department has all kinds of engineering technical persons such as 18 international welding engineers, and 35 international welding technicians.
公司拥有18名国际焊接工程师，35名国际焊接技师等各类工程技术人员。
Our department has all kinds of engineering technical persons such as 18 international welding engineers, and 35 international welding technicians.
公司拥有18名国际焊接工程师，35名国际焊接技师等各类工程技术人员。
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