大型型钢是指高度不小于80毫米的I型钢（工字钢）、H型钢、U型钢（槽钢）、角钢、Z字钢、丁字钢、T型钢等。
钢铁价格的进一步下跌，对大型钢铁需求方来说可以是好消息，因为建筑商和重型设备生产商等企业的成本下降了。
Further declines in steel prices could be good news for big steel consumers, lowering costs for builders, heavy-equipment makers and others.
织物层板放进一个大型钢模具以塑型。
Layers of cloth are placed into a large steel tool, which provides the shape to be moulded.
应用推荐