BS 1881∶Part119∶1983 Testing concrete. Method for determination of compressive strength using portioBS 1881∶Part119∶1983 Testing concrete. Method for determination of compressive strength using portions of beams broken in flexure
部份国外标准涉及版权问题,所以全部国外标准于2013年02月,全部删除!相关页面仅提供参考消息。