正常停车检修,脱甲烷塔釜物料排至()。
A.湿火炬系统
B.干火炬系统
C.液体排放系统
D.酸性气体排放系统
参考答案:C
6PS组合是在4PS组合基础上2PS因素,它们是()。
A、价格
B、渠道
C、促销
D、公共关系
E、政治权力
As there was not much chance to find good jobs in their hometown, many young men now tried to _______ their fortune in cities.
A.find
B.find out
C.seek
D.look at