汽轮机按流动方向分为()汽轮机和()汽轮机。A.轴流式; B.直流式; C.辐流式; 发布时间:2019-10-27 21:48 │ 来源:www.tikuol.com 题型:多项选择题 问题: 汽轮机按流动方向分为()汽轮机和()汽轮机。A.轴流式;B.直流式;C.辐流式;D.混合式。
题型:多项选择题 Over one thousand passengers remained_____ on trains for hours without air conditioning because of power failure on the railway, A.stickingB.to be stuckC.stuckD.having stuck 查看答案