I decided to seek a new challenge as I could feel I was reaching the end of my enjoyment cycle with Seam and Weld.
我决定寻求新的挑战，因为我深深地感觉到自己在Seam和Weld团队中的热情即将消失殆尽。
The influence of welding thermal cycle on structure and properties in grain-coarsening region of X80 pipeline steel was investigated by weld thermal simulation technique and the charpy test.
采用焊接热模拟试验和冲击试验，研究了X80管线钢焊接热循环对粗晶区组织性能的影响。
The microstructures of weld metal and HAZ under different thermal cycle are analyzed correspondingly.
分析了在不同焊接热循环条件下相应的部分易淬火钢焊缝及热影响区的显微组织。
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