·2,447,543篇论文数据，部分数据来源于NoteExpress
It's introduced in this paper how to draw the engineering drawing of the plow surface formed by a combination of a oblique helicoid and a hyperboloid of one sheet.
本文介绍由斜螺旋面和单叶双曲面组成的犁面在犁面主参数确定后的工程作图法。
youdao
应用推荐
模块上移
模块下移
不移动