??????????????????????
10??2000??8000+ 70??
10??2000??8000+ 76??
10??2000??8000+ 70??
4??1500??8000+ 21??
10??2000??8000+ 70??
4??1500??800035??
4??1500??8000+ 80??
8??1800??8000+ 70??
6??1800??8000+ 80??
???????????????????????
???????????????Σ????????г????????????????????????г?????????????????????????
???????????????????????????δ???????????????????????????????????ó??????????????
???????????г???????????????????????????????????????
???????? ???????лл ?? ????? ????????????????????
??????19mm????????????????????