zzcnhic 发表于 2017-7-8 00:27:02

ASTM G165 − 99 (Reapproved 2012)

ASTM G165 − 99 (Reapproved 2012)
Standard Practice for
Determining Rail-to-Earth Resistance

admin 发表于 2017-7-9 14:17:14

谢谢您的分享,金币已奖励!
页: [1]
查看完整版本: ASTM G165 − 99 (Reapproved 2012)