superstrength

1.optimize the whole car frame, with superstrength loading.

匹配叱咤市场二十余年东风变速器车桥；

2.Abstract In this paper,the hardening and tempering treatment as well as the mechanical properties has been studied after the superstrength steel D6AC welded with another steel.

研究了D6AC超高强度钢与异种钢材焊后调质处理力学性能。