甲烷不合格时,汽提塔塔釜加入的汽提气体是()。A、甲烷 B、氧气 C、二氧化碳 D、 发布时间:2017-04-30 07:55 │ 来源:www.tikuol.com 题型:单项选择题 问题: 甲烷不合格时,汽提塔塔釜加入的汽提气体是()。A、甲烷B、氧气C、二氧化碳D、氮气
题型:单项选择题 Being in a foreign country, _______.A.one may soon change his old habitsB.one’s old habits will soon be changedC.there’ll be some change in his habitsD.one’s new habits will soon be formed 查看答案