好东西，下载下来学习研究一下子，感谢楼主的奉献！

i want to see.i want to see.i want to see.i want to see.i want to see.i want to see.i want to see.i want to see.

下来看看，学习下

想下来学习下

图纸不错，学习一下！

可惜是个结构图，要是工艺图就比较好了，挺详细的