標(biāo)題: ASTM F 1936-1998 在場地上測量美式足球運(yùn)動場地減振性能規(guī)范 [打印本頁] 作者: 兌水 時(shí)間: 2009-12-4 09:20 標(biāo)題: ASTM F 1936-1998 在場地上測量美式足球運(yùn)動場地減振性能規(guī)范 F1936-98 Standard Specification for Shock-Absorbing Properties of North American Football Field Playing Systems as Measured in the Field