精品无码久久久久久午夜,国内精品人妻无码久久久影院,曰韩精品无码一区二区三区

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	16mn?????

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	12cr1novg???????

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	P91???????

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	16Mn????????

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	20G?????ˉ??

	Q345B 16Mn?????

	P22???????

	12crmo???????

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???????T91??? 140*1

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16Mn??????????????

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?????ˉ??	83??4-12-18	20G	GB5310-2008	7600?/??	???? ??? ????	2014/12/10
?????ˉ??	38??3-6-8	20G	GB5310-2008	8600?/??	???? ??? ????	2014/12/10
16Mn?????	351??8-16-30??	16Mn 20# 3??	GB8163-2008 GB6??	6900?/??	??? ??? ???	2014/12/10
?????ˉ??	20??2-4-6	20G	GB5310-2008	10000?/??	???? ??? ????	2014/12/10
16Mn?????	377??8-16-30??	16Mn 20# 3??	GB8163-2008 GB6??	6900?/??	??? ??? ???	2014/12/10
???????	194??6-20-50??	20# 45# 20??	GB/T8162 GB/T81??	6000?/??	??? ???? ???? ???	2014/12/10
???????	22??3-5	12Cr1MoVG ??	GB5310-2008 GB64??	15000?/??	????	2014/12/10
16mn?????	530??12-30-7??	20# 45# 16??	GB/T8162 GB/T81??	7300?/??	??? ??? ??? ???	2014/12/10
???????	121??5-12-25??	20Cr 40Cr	GB8162-2008 GB81??	7200?/??	??? ???? ????	2014/12/10
16Mn?????	325??8-16-30??	16Mn 20# 3??	GB8163-2008 GB6??	6900?/??	??? ??? ???	2014/12/10
???????	48??3-8-12	20Cr 40Cr	GB8162-2008 GB81??	7200?/??	??? ???? ????	2014/12/10
16Mn?????	356??8-16-30??	16Mn 20# 3??	GB8163-2008 GB6??	6900?/??	??? ??? ???	2014/12/10
???????	57??4-6-8-12??	20Cr 40Cr	GB8162-2008 GB81??	7200?/??	??? ???? ????	2014/3/22
???????	25??3-6	P11 P12 ??	GB5310-2008 GB64??	15000?/??	???? ???	2014/3/22
???????	325??60	20	GB8163-2008	????/??	???	2014/3/22
16Mn?????	114??6-12-20??	16Mn	GB8163-2008 GB6??	6800?/??	???	2014/3/22
16mn?????	620??12-30-7??	20# 45# 16??	GB/T8162 GB/T81??	7800?/??	??? ??? ??? ???	2014/3/22
???????	219??6-20-60??	20# 45# 16??	GB/T8162 GB/T81??	6000?/??	??? ???? ???? ???	2014/3/22
???????	57??3-6-8	P11 P12 ??	GB5310-2008 GB64??	12000?/??	???? ????	2014/3/22
16Mn?????	89??6-16	16Mn 20# 3??	GB/T8163-2008 ??	6800?/??	??? ???	2014/3/22
16Mn?????	108??5-12-18??	16Mn 20# 3??	GB8163-2008 GB6??	6800?/??	???	2014/3/22
???????	68??3-6-8	P11 P12 ??	GB5310-2008 GB64??	12000?/??	???? ????	2014/3/22
16mn?????	57??4-8	16Mn 20# 3??	GB/T8163-2008 ??	6600?/??	??? ???	2013/5/7
16mn?????	630??20	16mn	GB8163-2008	????/??	???	2013/5/7
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