????:1??????????:?????????

2??????????

3????????

4?????

5????????

?????????2??????????12????? (??????? ???)“??????????????????”???12???????????????B.P.?????

??????????????????????????????????????????,??????????????????????????????3D????????????????,??????????????????

2?????????12?????,“?????????????”????? ?????????????????????????????????????? ???????????

??????,???????????????????,??????????????????,??????????,?????????????

?????,??????????60??,???????,????????????????,????

??????????????????B.P.????????????????,??,?????????????,???,?????????????????

2?12?????,????(?)????? ?? ?? ???????????

???????,500???????????????????????????????,????????????????????:“?!???????,?????????????????”

“??????????????????”???2018?,????????????????????????????????????????????????????B.P.??????????????

?????????????3????????????????,??????????????6??????6??????,???(??)

???????????:????