题目: 列车牵引或压缩时,车钩缓冲装里的作用力是如何传递的? 答案: 参考答案:(l)当列车牵引时,作用力的传递顺序为:车钩~钩尾销~钩尾框~后从板(无后从板者除外)~缓冲器~前从板~前从板座~牵引梁。(2)当列车压缩,车辆受冲击时,作用力的传递顺序为:车钩~钩尾销~前从板~缓冲器~后从板(无后从板者除外)~后从板座~牵引梁,
题型:选择题 — Did you hear about Zhang Lili who saved the kids from being run over by a school bus? — Yes. What do you think most people _____ if they were in a similar situation?A. will do B will have done. C. would do D. would have done 查看答案
题型:配伍题 B型题 卡特尔16种人格因素问卷的编制方法()|实证效度好的编制方法()|明尼苏达多相人格问卷的编制方法()|爱德华个性偏好量表的编制方法()|能有效保证量表的同质性(单维性)的编制方法()|要特别注意控制表面效度的编制方法是()A.推理法B.经验法C.因素法D.综合法E.实验法 查看答案