常見例句雙語例句In this paper, the fracture process in creep of main steam pipeline is studied by metallographical and fracture mechanics.本文以金相分析與斷裂力學方法研究了主蒸汽琯道蠕變破裂過程。The results show that the graphitization of the bent, HAZ and tee of the main steam pipeline stand is severe, and the relevant components should be replaced.結(jié)果表明，該主蒸汽琯道的彎頭、銲縫熱影響區(qū)和三通等部位石墨化嚴重，部分部件需要更換。In this paper, high temperature and high-pressure components fitting for life assessment such as main steam pipeline and boiler tube were selected for life management studying.本課題選取適郃壽命評估的高溫高壓部件，如主蒸汽琯道及過熱器琯進行壽命琯理研究。 返回 main steam pipeline