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This may be handy.http://www.wbdg.org/ccb/NAVFAC/PPUBB/p433.pdf
Reply:FYI, Welding Materials Handbook, 1991, U.S. Navy, Naval Facilities Engineering Command.America Needs AMERICA'S Oil!!!"Global warming is the greatest scam in history ...There is no run away climate change. The impact of humans on climate is not catastrophic. Our planet is not in peril."--John Coleman, Founder of The Weather Channel
Reply:wrong location. |
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发表于 2021-9-1 00:35:28