皮皮学，免费搜题
登录
搜题
【单选题】
载重量较大的车辆，由于转向架的数量和轴数增多，使地板面相应增高。但由于受机车车辆限界的限制，从而影响装货的净空高度。为了增加净空高度、降低车辆的重心，将车底架及车体的装货部分制成凹形，这就是凹底平车，又称凹形车，现场通称（ ）A.
元宝车
B.
板车
C.
落下
D.
钳夹车
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【简答题】Henry David Thoreau’s ( )changed the traditional value of people’s life through criticizing the negative effects of ( ).
【单选题】As television, and to an extent the internet have _____further through our society, the effects are perhaps more significant than even we realize.
A.
perpetuated
B.
pervasive
C.
permanent
D.
permeated
【简答题】Go through the Text 1 quickly on "WeLearn"and solve the following questions. 1.Why was the author annoyed when asked to have a better attitude? 2.Why was the author angry when hearing that advice in P...
相关题目：
参考解析：
知识点：
题目纠错 0
发布
