男人J桶进女人J无遮挡

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122811341916
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299??243
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20#
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5000/??
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?????????????299*243??????????

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???????????????????????????????????????????????????????ˉ????????????????????????????????????β???????????????????? ???????????????????????????????????????????????????????β?????????????β??????? ????????????????????Ρ????????ε?????????????????????760mm??????????????? ??β???б??????ε??????????????????????а???????????????????塢??????????????д??????????????????????????????????????????????????
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????10# 0.07~0.13 0.17~0.37 0.35~0.65 ??0.035 ??0.035
????20# 0.17~0.23 0.17~0.37 0.35~0.65 ??0.035 ??0.035
????35# 0.32~0.39 0.17~0.37 0.35~0.65 ??0.035 ??0.035
????45# 0.42~0.50 0.17~0.37 0.50~0.80 ??0.035 ??0.035
????40cr 0.37~0.44 0.17~0.37 0.50~0.80 ??0.035 ??0.035 0.08~1.10

????25Mn 0.22~0.2 0.17~0.37 0.70~1.00 ??0.035 ??0.035 ??0.25

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        ?????????????????????????????????????????????????????????????????????????????????????10#??20#??35#??45#??16Mn??27SiMn??10CrMo910??15CrMo??35CrMo????й???GB/T8162-99?????GB/T8163-99??????GB/T3087-99?е????
ˉ???GB/T5310-95?????ˉ???GB/T6479-2000??????ù??27SiMn???????????????GB/T9948-85????????GB9948-88??????????????.
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?硡????0635-8878611   2126991??2126992
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???????13589464666??13780734515   13506350422
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    男人J桶进女人J无遮挡