??·????????????????????????
6??1800??8000 35??
6??1800??8000 80??
6??1800??8000 21??
6??1800??8000 80??
6??1800??8000 65??
8??1800??8000 35??
8??1800??8000 80??
??·????????????????????????
??塢??????????
???????????? d ?????? mm ????????????????????????b????d?????? mm ????????
????????й涨??????磬??????????У? 1mm ????壬?п???600??????2000 mm ??650??2000 mm ??700??1420 mm ??750??1500 mm ??900??1800 mm ??1000??2000 mm ???
????????
?????????????????????????????????λ?????Э????????????г?????????????????????????????????????????????????????????????????????????????????????????????????
????q420q??·???????????????????????????