柱顶表面平整度应控制在()mm,以十字交叉线检查两个方向。
A.3
B.5
C.8
D.10
参考答案:A
But for the help of my English teacher, I ________ the first prize in the English Writing Competition.
A.would not win
B.would not have won
C.would win
D.would have won
汽轮机临界转速