兑水 发表于 2009-10-22 07:23:54

ASTM D 6132-2004 用超声波测量仪对混凝土表面有机涂料干涂层...

D6132-97 Standard Test Method for Nondestructive Measurement of Dry Film Thickness of Applied Organic Coatings Over Concrete Using an Ultrasonic Gage
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