Through the test and comparison of ethylene cracking of hydrogenated delayed coking gasoline and regular grade 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。
"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。”
The regular floors are shaped by the abovementioned shift and function as so called Jahrgangsetagen (grade floors).
常规楼层都为上述的偏移形式，功能上作为各个年级的楼层。
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