Having put forward project to carry out network manufacturing of the bolt-node ball in detail.

提出了实现网络化加工空间网架螺栓节点球的具体方案。

youdao

Having put forward project to carry out network manufacturing of the bolt-node ball in detail.

提出了实现网络化加工空间网架螺栓节点球的具体方案。

youdao