commercial steel

• 型钢,商品钢材

commercial steel的用法和样例：

例句

1. The roof is formed from standard steel sections and recyclable pre-cast concrete units.
   屋顶是形成从标准型钢可回收和预制混凝土组件。
2. This paper presents an automatic stowing,packing and gathering system for a section steel tandem rolling line.
   介绍一种用于精整工艺的自动化型钢码垛包装收集系统。
3. There parts are blanked out of strip steel.
   这些零件是用条钢冲压出来的。