He works as technician at an iron and steel complex.
他在一个钢铁联合厂做技术员。
It is a complex process to estimate residual stress of cast iron components.
铸铁构件残余应力的评价过程一直相当繁琐。
It has an enormous integrated iron and steel complex.
这里有大型钢铁合成制造基地。
It has an enormous integrated iron and steel complex.
这里有大型钢铁合成制造基地。
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