carbon and low-alloy steel vessels

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1.	碳钢及低合金钢容器 ... Capped Steel 加盖钢; 半镇静钢 Carbon And Low-Alloy Steel Vessels 碳钢及低合金钢容器 Carbon Content Of Steel 钢含碳 … zhidao.baidu.com
2.	碳钢和低合金钢容器监造_新浪博客 ... 19. gas turbine 燃 carbon and low-alloy steel vessels 碳钢和低合金钢容器 cast ductile iron 可锻铸铁 ... blog.sina.com.cn