Fieldexamination of tube fracture of ethylene cracking furnace for a certain ethylene plant is carried out. The fracture reason is researched. The repair proposal is put forward.
对某乙烯厂乙烯裂解炉炉管断裂进行了现场检测，探讨了断裂原因，提出了维修建议。
2
It can't be denied that the College Entrance Examination creates a relatively level playing field for students from all family background.
不可否认的是，高考给不同家庭背景的学生创造了相对公平的竞争机会。
3
Those who have earned the professional title of accountant or senior professional titles in a relevant field of study may be exempted from examination in certain subjects.