????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????
???? ?????????1?1.5???????12??14????????????????????????????????
??? ?????????1?1.2???????25??30???????????
?????? ??????400?500???????60??65???????????????
???? ???A?D???2260?400????????B1?B2?B6?C????1.5?1.8?1.2?2.1?2.70?75???
???? ???????????????600???????????6.2?3?0.5???100?140?????????????10?12?12?16?720?900?300?350???
??????????????????????????????????????????400?500??
??????????????????????????????????????????????????????????????????????????????????????????????????
