a major industrial and coal mining region in the valley of the Ruhr river in northwestern Germany
双语例句
用作名词 (n.)
Comparing the problems of scrap industrial instruments, the use of the Ruhr urban revival is discussed for reference. 并通过对鲁尔区与我国城市工业废弃设施问题的比较辨析，探讨了鲁尔区改造经验对我国的借鉴意义。
