Heavyback-up roll fractures spontaneously when it is placed.
大型支承辊在放置时自然断裂。
2
The results showed that the higher internal stress and serious carbide network in the banded carbide in the inner roll body were the main causes of heavyback-up roll stationary cracking.
结果表明,辊身心部较高的内应力和在带状碳化物中存在严重的网状碳化物是造成大型支承辊置裂的主要原因。
3
Two weeks ago, on a hot summer afternoon, I was about to cross a little busy road when I noticed an old grandpa with a heavy bag on his back just a few meters from me.