?????????????
????н?????????????????????????????????????????????????????????????????????????????????????????????????????????????????????
??????????????
????????????????????????????????????Ч???????????????????????ì????й?????Э??????????????????????????????????????40.7??
?????????????
3??1250??6000 75??
3??1250??6000 32??
3??1800??7500 90??
4??1500??6000 32??
4??1500??8000 90??
????????0.4*1*2??q550qd????????г???????????Χ????
