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| http://www.zebwoc.cn/shownewsX.asp?id=2459 - 2019/12/7 10:32:04 - |
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| http://www.zebwoc.cn/shownewsX.asp?id=2458 - 2019/12/6 11:01:00 - |
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| http://www.zebwoc.cn/shownewsX.asp?id=2457 - 2019/12/5 11:29:56 - |
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| ????????????????б??GB5310 ???? ?????ˉ???????GB6479?????????豸?????????GB9948?????????????????ASTM A213 ????Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger TubesASTM A335 ????Seamless Ferritic Alloy-Steel Pipe for High-Temperature ServiceJIS G3458 ????Alloy Steel Pipes (STPA 12/ 20/ 22/ 23/ 24... |
| http://www.zebwoc.cn/shownewsX.asp?id=2456 - 2019/12/4 11:58:52 - |
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| http://www.zebwoc.cn/shownewsX.asp?id=2455 - 2019/12/3 12:27:48 - |
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| http://www.zebwoc.cn/shownewsX.asp?id=2454 - 2019/12/2 12:56:44 - |
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| http://www.zebwoc.cn/shownewsX.asp?id=2453 - 2019/12/1 13:25:40 - |
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| http://www.zebwoc.cn/shownewsX.asp?id=2451 - 2019/11/29 14:23:32 - |
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| ?????????ù?(GB6479-2000)????: 20G??16Mn??Q345??б????GB6479-2000???Χ????25-426??6-40??????????????????-40-400?楨????????10-30Ma??????豸???????????????????????????????豸??????????? ?????豸????????????25??683??10-12-14-16-18-20203??32-36-4028??689??8-10-12-14-16-18-20219??6-8-12-16-18-20-2532??6-895??6-8-10-12-14-16-20219??30-4034??6-8102??6-7-8-10-1... |
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