例句 /

To improve and stabilize the service life of hot-forging die fabricated by cast die steer, the failure modes and mechanism were analyzed.

To improve and stabilize the service life of hot-forging die fabricated by cast die steer, the failure modes and mechanism were analyzed.

摘要为了稳定和提高精铸热锻的使用寿命,研究了其失效形式和机理。