Is China National Building Material International( CNBM) the largest manufactuerer and exporter in STEEL PIPE industry in China?
2022-11-27 22:05:30 11次 反馈错误 加入收藏 正确率 : 100%
题目内容：
Is China National Building Material International( CNBM) the largest manufactuerer and exporter in STEEL PIPE industry in China?
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