A frame, bracket, or box for holding or protecting a mechanical part.
框架，托架，盒子：承载或保护一机械部分的框架、托架或盒子。
The invention relates to a white board bracket, which belongs a physics teaching tool.
一种白板支架涉及一种物理学教学用具，具体为一种白板支架。
The invention relates to a white board bracket, which belongs a physics teaching tool.
一种白板支架涉及一种物理学教学用具，具体为一种白板支架。
应用推荐