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2017-03-24

??????????????????
1??????????????л???????C15???????????????????????????-3.50m??
2????????????0.00?????????????????????0.00m??60m??侶?Σ????????2%????0.00????????????5.82m, +60m?????????3.42m????????300mm-160mm??
3????????????C15???????????,???????MU15?????M5??????????????
4??????????????Ц?10????8?????????Ц?25????22????20????18????16????14????12??????
5??2.5????????????????40mm???????30mm??
6????????????0.00??????????50???


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