- z-steel
- z: Z = 1.Zenith distance ...
- 型钢: fashioned iron; figured iron ...
- 带缘z型钢: lip z steel
- 型钢: fashioned iron; figured iron; shape steel; profile steel; formed steel; structural steel; [冶金学] section steel; [工业]rolled-steel section◇型钢轨机 shape mill; section mill; shape rolling mill
- a to z: 从头至尾; 名称; 牛津百科小辞典
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