???????????????????????
???????????????????????????????????????????????????500-650???????л???????????????????????????????????????????????????????????????????е?????
????????????????????????
?????????????????????????????????????????????????????????????β???????????RB1401????????????????????????????????????????????????????????????????????????????????????????RB1405-??RB1401?????????????????????????????????????????
???????????????????????
6??1800??8000 32??
6??1800??8000 98??
6??1800??8000 70??
4??1500??6000 21??
5??1800??8000 32??
????9??22??????3.0*4*8?????????????????????
