??????????????
????????е???????????????10??28??,?й????????Э??(?????и?Э??)???鳤??????????????и?Э??????????????????,?????????????????????λ????,?????????????????????????????????,??????????????,?????????????????????????,????????????????
?????????????
10??2000??8000 90??
10??2000??8000 32??
12??2000??8000 56??
12??2000??8000 70??
14??2000??8000 35??
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??????????????????????????????·????·??ú??????????е???????????????????????????????????????????????????????????????????????????????????????????????
??@?h????????4.0*1.5*6??Q345qD??????????????
