我国城市燃气管道输气压为1.7MPa的燃气管道为( )燃气管道。A.低压 B.中压 发布时间:2017-05-19 22:54 │ 来源:www.tikuol.com 题型:单项选择题 问题: 我国城市燃气管道输气压为1.7MPa的燃气管道为( )燃气管道。A.低压B.中压BC.高压BD.高压A
题型:单项选择题 — Why didn't you go to the party last night, Susan? — _______, but I had a lot of homework to do.A. I'd like to go B. I'd like toC. I'd like to go to D. I would 查看答案