bulb angle

基本解释

How do you shape the different secti***, such as, bulb plates, angle bars, and other stiffeners.
型材怎样加工呢，像球扁钢，角钢和一些加强材？
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How do you shape the different sections, such as, bulb plates, angle bars, and other stiffeners.
型材怎样加工呢，像球扁钢，角钢和一些加强材？
The method of the invention is also suitable for the production of other thin-wall sections such as I-beam, U-beam, flat bulb steel, angle steel, etc.
本发明方法对工字钢、槽钢、球扁钢、角钢等其它薄壁型材的生产也十分适用。
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