??????????28*1800*8m??q420qd?????????????????????????
??????????????6??1500??8000 21??<BR>6??1500??8000 42??<BR>6??1500??8000 35??<BR>6??1500??8000 21??<BR>8??2000??8000 64??<br><br>???????? ?????????????????????????????????????????????????????????.????????????????????????????????????????????????л??????????????????????????????????????????????<br><br>??????
??????????????
6??1500??8000 21??
6??1500??8000 42??
6??1500??8000 35??
6??1500??8000 21??
8??2000??8000 64??
????????
?????????????????????????????????????????????????????????.????????????????????????????????????????????????л??????????????????????????????????????????????
???????????????
?????г????????????????к???????????????????????????????г??????????????10~40?????????????????????????????????????????????????????????????????г???????????????????????????????????????а????????????????????????λ???????????????????????????????????
??????????28*1800*8m??q420qd?????????????????????????
