??·????????????????????????
8??1800??8000 80??
8??1800??8000 35??
8??1800??8000 80??
8??2000??8000 32??
8??2000??8000 42??
??·????????????????????????
??????????????? ???????磨????????????????涨??Χ?????????????????в?????????????????????????????????????????????????????????涨?????Χ????????ɡ????磬?????? 25mm ??????????????????涨? 4-10m, ???????Χ????????????????
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??????????????????????????????·????·??ú??????????е???????????????????????????????????????????????????????????????????????????????????????????????
????16*1800*8m??q420qe??·???????????????????????????
