?? ?!????????4000????????
????:1?????95???:???????????
2?????????
3????????
4???98?95?92?
5?????
?????,?????????????????????,?????,??????????????????12.49?,????????????????? 1.13??m3,???1.118???????????????????m3 ,????????????????? 40 ?????
????????????????????,?????????????????????,????200~300kg/?400kg/??,????????????,??,????????????
????:???????