?? ???|????“????3D”????
![](https://image.chezhanri.com/2020/0327/de907f2320e6e3d42509cb50eba0b7ac.jpg)
????:1??????????????:??????
2?????????
3???????
4???????????
5???????????
????????8????????????23????????????? (?? ??????????)???,??“?3D”???????????23?,“??3D”??3D???,??????????????????????????????????,???????,???????????????,??,????????????,?????????????????
“???????????,?????????????,??????,???,?????”????????????
?,??????????????????,???????,???????????,????????????“???????????3D”???????????????????????????“??3D”??????????,????????????,?????
?“??????????????????3D”?,????????,???????????,???????????????,???????????????????????,?????????????????????,?“??????????”??????????????????,3D??????????????????????,??,???,????????,?,?????(??????)
????????:???????