high-duty steel

• 高强度钢

high-duty steel的用法和样例：

例句

1. This standard presents the process for preventing hydrogen embrittlement in high-strength steel.
   本标准介绍了高强度钢制紧固件的氢脆防治的方法。
2. For the micro-alloyed high strength steel alloy of oil and gas pipeline, repairing of the unqualified welds is one of the main working procedures.
   摘要对于微合金高强度钢油气输送管线，不合格焊缝的返修是主要工序之一。