横向力对钢轨伤损影响有哪些?
参考答案:
会造成轨头侧磨、并会加重轨腰的伤损。
The underlined word "adjacent" in the last paragraph is closest in meaning to ______.
A.beside each other
B.growing very fast
C.the same size
D.densely populated
波浪式发型的形态有水纹波浪、螺旋波浪、刀口波浪和()