constructional steel

• 结构钢,构造钢

constructional steel的用法和样例：

例句

1. Choice of steel types for the metallic construction and boiler making for brittle fracture hazard prevention.
   防止脆性断裂危险用金属结构钢和锅炉制造用钢的类型选择。
2. The probability and main effect factors of superplastic welding of structural and tool steel after partly high frequency quenching have been examined.
   探讨了结构钢与工具钢待焊接区表面高频淬火后超塑焊接的可行性及影响因素。