排序方式: 共有2条查询结果,搜索用时 31 毫秒
1
1.
液压与气压传动课程教学改革探讨 总被引:1,自引:0,他引:1
针对液压与气压传动课程的特点,结合教学实际情况,文章从课程教学内容组织、教学手段和教学方法等方面的教学改革进行了探索,并提出了建设性改革思路。 相似文献
2.
雷玉勇 《重庆大学学报(英文版)》2003,2(1)
1. Introduction With the development of transportation, more and more road tunnels, especially the long tunnels, such as Erlangshan Tunnel (4176 m, China), Arlberg Tunnel (13972 m, Austria), Kan-etsu Tunnel (11055 m, South tube, Japan) and Laerdal Tunnel (24510m, Norway) have been built on the highway lines [1]. In a road tunnel, the exhaust gases given off by automobile engines, such as smoke, carbon monoxide (CO), oxynitride (NOx), hydrocarbon, etc., and dust produced by the passing a… 相似文献
1