???????????
?????????????
46*2200*6000
48*2200*6000
50*2200*6000
52*2200*6000
54*2200*6000
56*2200*6000
?????????????
??? ????С?????涨???????????????????С?????????????ж??????磬???ú???????????й涨??????????? 10 ????????????? 2-4m ???????塣 4m ????????????????????????????? 2m ??
????1??6?????3.0*3*8??q500qe???????????????