兑水 发表于 2009-12-6 19:49:58

ASTM F 2136-2005 测定HDPE树脂或HDPE波纹管抗慢性断裂...

F2136-01e1 Standard Test Method for Notched, Constant Ligament-Stress (NCLS) Test to Determine Slow-Crack-Growth Resistance of HDPE Resins or HDPE Corrugated Pipe
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