????????????128??/m3???135??/m3????????920?/m3???880?/m3?????????135??/m3????????????50-80?/m3???????????????128??/m3?????????????????

??????????????????1.1????/????1.2????/????????3.6????/???????????2.4????/???????

??????????750-800?/m3????????????????????6.89????????????????????????????????

????????????????????30-50?/m3???????????????????135??/m3???????????????????????????????????????????????????????????????