Through the test and comparison of ethylene cracking of hydrogenated delayed coking gasoline and regulargrade straight-run gasoline, it is showed that the former can be used as ethylene stock.
通过对延迟焦化汽油加氢后与普通直馏汽油的乙烯裂解试验和比较，延迟焦化汽油加氢后可以作乙烯原料。
2
"Regular school was not an option," says Bannon, "but I wanted to make sure she could go back at grade level if she quit gymnastics."
“普通学校不合适，”班农说，“但我想确保她退役后学习还能跟得上。”
3
The regular floors are shaped by the abovementioned shift and function as so called Jahrgangsetagen (grade floors).