?????е??????JB/T6127——2010 ?綯???????????????綯??????е??????????￡?
1. ????????????????????????????Q235AF???????????????????????????????????????ò????????45#??????????ò????????ZG340——640??
2. ??????????????????????ι??????????????????????????????????????????????????1m??Χ????????4mm????????1.1????????????￡???????????????????????????????????????????????С??3mm??
3. ??????????±2mm??????????????????????????????????0.5mm???????????????????????0.5mm?????????5t??25t179HBW—217HBW??30t????270HBW—300HBW??????30t?????С??4mm?????????????240HBW??
4. ??????????????????????85dB??A??????????????????40?檔
5. ????????±2mm??????????????ж????2mm????????????????????????????2mm??????????5t??25t±6mm??30t????±8mm??
6. ???????λ???????????
7. ???????￡?????????????????5t??50t??????80dB??A????63t??300t??????85dB??A????
8. ????????????????????????????????????75μm??140μm???????????GB/T92862?????
??????綯???????????????е??????????綯??????????????????鼰?????????????
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