ethylene cracking tube 乙烯裂解管
hp ethylene cracking tube hp40炉管高ni
cracking tube after service 退役炉管
HP40 ethylene cracking tube 乙烯裂解炉HP40炉管
hp 40 ethylene cracking tube 乙烯裂解炉hp炉管
tube cracking furnace 管式裂解炉
splice cracking of inner tube [橡胶] 内胎接头裂纹
tube cracking 管束裂纹
The samples are took from the ethylene cracking tube which split and failed before it worked 14,000 hour.
4万小时就开裂失效的乙烯裂解管上取样，进行组织、成份和性能的观察与测定。
A residual life predication method of cracking tube is proposed taking account of the creep damage and the thinning damage of the tube.
提出了考虑裂解管蠕变损伤和减薄损伤的剩余寿命预测方法。
The ethylene cracking tubes pack-carburized in a laboratory(P tube) and carburized during servicing in a cracking furnace (S tube) are studied.
对实验室固体渗碳（P管）和裂解炉运行渗碳（S管）的乙烯裂解管进行了研究。
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