He then worked at Midvale Steel Works in Philadelphia, where he became chief engineer, before moving to Bethlehem Steel Company.
然后他在费城的米德·维尔钢铁公司(Midvale steelWorks)工作并成为总工程师，然后转到伯利恒钢铁公司工作。
He then worked at Midvale Steel Works in Philadelphia, where he became chief engineer, before moving to Bethlehem Steel Company.
然后他在费城的米德·维尔钢铁公司(Midvale steelWorks)工作并成为总工程师，然后转到伯利恒钢铁公司工作。
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