?????????СС?????????д???С???飬??????????????????????????????????????????Щ????????!
????????
?????16??
????????8??
С????????2?
?????3??
????????????
?????16?????160w????100?????????4?Σ????????20???
????????8??????80???
??????????10??????????????20???
??????????????δ????????????????????£???????????3???????30???
??????????????????????????????20+80+20+30=150??????????????1050????????105rmb???????????????!
?????????58wan??СС????????op.58wan.com
58wan??????http://www.58wan.com