热轧钢筋的接头宜优先用( )。
A.气压焊
B.电弧焊
C.闪光对焊
D.电渣压力焊
参考答案:C
–Peter told me he wanted to come with us. Is that OK with you?
--I don’t mind _________he pays for his meals.
A. as far as B. as long as C. as well as D as soon as
滚动轴承润滑油过多时,也容易发热。