?????????2.5*4*8???·?????÷??????????ж????
??·????????????????????????3??1250??6000 32??<BR>3??1800??7500 90??<BR>4??1500??6000 32??<BR>4??1500??8000 90??<BR>4??1500??8000 90??<BR>4??1800??8000 32??<BR>5??1800??8000 21??<BR>5??1800??8000 90??<BR>6??1800??8000 35??<br><br>?????·?????????????????<br><br>??·?????????????????????????<BR> ?????и?Э??????й????????δ???????????
??·????????????????????????
3??1250??6000 32??
3??1800??7500 90??
4??1500??6000 32??
4??1500??8000 90??
4??1500??8000 90??
4??1800??8000 32??
5??1800??8000 21??
5??1800??8000 90??
6??1800??8000 35??
?????·?????????????????
??·?????????????????????????
?????и?Э??????й????????δ???????????,?????9??????????,?й?????Э????????????????????????,?????????????????δ??????????,???????????????????,?????????????????е???????
?????????2.5*4*8???·?????????????????????ж????