????????5?????????????
?????????????????????????2017-10-25
????????5???????,????????5????????,????5??????????
????????5?????????????
?????????????LV??3?????
????+120
????+120
???+120
????+120
1??????240???+40??????1????=6????????????????
1?????160???+40?????1???=4???????????????
120*6+120*6+120*4+120*4=2400???
??????????LV1???????600??LV2?1200
???????LV3?????????2520?????????????????????????????????С??????????????????????????
???????????????????40407????????5?????http://audiogearreviews.com/zmxy5/
???????:??????????????????40407?????????????40407???????????α? ·????
