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4168365216 |
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159*30 |
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159*18 |
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159*20 |
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159*25 |
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159*28 |
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159*32 |
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159*35 |
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159*40 |
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168*20 |
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20# |
168*22 |
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20# |
168*25 |
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20# |
168*28 |
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20# |
168*30 |
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20# |
168*35 |
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20# |
168*38 |
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20# |
168*40 |
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?????????????????????????????????????????????????????????????????????????????????????????С???????????????????????????????????????????????????????????,??????????????20#??45#??16MN??Q345??A/B/C/D/E????27SIMN??15CrMO??12Cr1MOV??10CrMO910??304??304L??316??316L??321??P11??P22??P91??T91.??й???GB8162-99?????GB8163-99????????????ù?????????GB3087-99??GB5310-85????????ˉ?ù??GB5312-8???ù??...
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GB/T8162?????????140*20???
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| ???????1913 ??????2010/4/16 ?????????? ??????? |
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