????:1?????????????:??????500?4???

2???????

3?????????

4??????????

5???mm??

?????:?2030?? ????????

????????:????????????????:???2030?? ???????:??????????

6??12????????,??60????????

???????,?????5?????????,??2000?????????,?2030????????,????????,???????????,?????????????????????????????????????

???

???????? ???????? ????? ???????? ???????????????

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