兑水 发表于 2009-11-23 04:41:23

ASTM E 1408-1991 门板和门系统声衰减的实验室测量方法

E1408-91(2000) Standard Test Method for Laboratory Measurement of the Sound Transmission Loss of Door Panels and Door Systems
页: [1]
查看完整版本: ASTM E 1408-1991 门板和门系统声衰减的实验室测量方法