转载机从爬坡段引向水平段的弯溜槽为()。
A.凸溜槽
B.凹溜槽
C.平溜槽
D.斜溜槽
参考答案:A
.We may go to Hawaii or California , we have to find a way to escape the snow this winter.
A.Also
B.In addition
C.Somehow
D.Anyway
探究情境,回答问题。