file:课时10 轴测图（选学）.mp4 file:课时06 标准件和齿轮.mp4 file:课时03 立体的投影（二）.mp4 file:课时01 点、线、面的投影.mp4 file:06 画法几何及机械制图【蜂考速成课】.pdf file:2-4.mp4 file:《气体与热力学》讲义笔记【高斯课堂】.pdf file:3单缝衍射、光栅衍射.mp4 file:1光程差、双缝干涉.mp4 file:课时9 安培力、磁矩力、洛伦兹力.mp4 file:课时8 磁通量、高斯定理.mp4 file:课时7 磁感应强度.mp4 file:课时9 刚体转动的功和能.mp4 file:课时4 动量冲量动量守恒.mp4