??????????????????
8??2000??8000 42??
8??2000??8000 21??
10??1800??8000 32??
10??1800??8000 80??
10??2000??8000 21??
10??2000??8000 52??
??????????????????
???????????????????????????????????????????????????????????????????????????????????????????ж????????????????
???????????????
????????
????????????????????壬??????е????????????и??????????????и?? ??????1-150MM ?????1500-2200MM ????????????????д????????????????????????????????·?????????????鼰???????????????????? ???????.???????.... ???????У?????????? ????????????????????????????????????ж?????????????????????????塣SB????????徭?????κ????????????????????????????????????
????5??22??????10*1600*C??16Mnq??????????????????????
