下列各项中,不得排放至火炬的选项是()。
A.碳二加氢反应器烧焦气
B.精馏塔顶不凝气
C.局部停车塔压高
D.乙烯球罐气相预冷前实气置换
参考答案:A
电视机厂要生产120台电视机,已经生产了6天,还差30台,平均每天生产多少台?
–Taking a walk after supper is really a ____ way.
--____. It keeps us healthy, too.
A.relaxing, So it is
B.relaxing, So is it
C.relaxed, So it is
D.relaxed, So is it