轧制过程双钢产生的危害()
A、冲钢
B、断辊
C、烧轴承
D、以上均正确
参考答案:D
---- If he does you a favour, you should do him a favour.
---- I can’t agree more. ____.
A.One good turn deserves another
B.Justice has long arms
C.One false move may lose the game
D.Lies have short legs
位于马来半岛和苏门答腊岛之间的海峡叫什么?