前钩钩舌破损必须分部运行时,应()。
A.自分离处分割
B.迅速联系前方站派机车救援
C.迅速联系后方站派机车救援
D.更换钩舌
参考答案:C
—Excuse me, which is the way the hospital?
—Walk the street. Take the first turning on the right and walk on. You'll see it the end of the road. [ ]
A. for; down; by
B. of; down; at
C. to; along; at
D. to; along; by
摆杆硬度计可以测量金属板表面涂膜的()