????λ????????? > ?????? > ??????? >

?????????

???2018-01-26 11:27 ????????? ????????????:

??????????????

????????(??+??+8)/100 x(??+??+6)/100 x ????(?/CM2)

?????кУ?{(??+??)*2+4}/100x{(??+??)*2)}/100* ????(?/CM2)

????????(??+??+7)/100 x(??+??+3)/100 x ????(?/CM2)

????????(??+??+7)/100 x(??+??+3)/100 x ????(?/CM2)

???????У????????λ?CM????????????????????

?????????
???????????????

??????е???????

??????е???????( M2 ) X ???( 3.8 ~ 4 )????????????????4.8 ??

?????????????????????( ?? + ?? ) X 2 + 3 ??/100 X ??( ?? X 2 + ?? ) + 2 ??/100 ???г?????????CM??

??????????????????е???? 7 X 6 X 16 CM

???????????????( 7 + 6 ) X 2 + 3 ??/100 X ??( 6 X 2 + 16 ) + 2 ??/100 = 0.087 M2 ???д????? 0.087 X 4 = 0.35? ????ù???????????????С???С?

????????????е?????????????????????????????????????????????????????????????????????

??????????????????:???78.7 X 109 CM ?? ???89 X 119 CM .

??????м?????????????е?????????磬??????(????)???????????????????????????ó??????????????????????????????????????????????????á?

???????????г?????????????????????????????300~ 600????????? 150???
 

????????
??????а?????????????????г????????
???????????????????????????
????????????е??? ????????????????
???????????????????
?????????а????韁?????????
2018???????????_?????а???????仯????
??????????????????Щ?
?????????
????????????????Щ?????????е????
无码少妇一区二区三区免费,国产日产韩国精品视频,国产精品VA在线观看无码电影,无码少妇一区二区三区免费