The welding of a duplex stainless steel SAF 2205 DSS(UNS 31803) and high strength low alloy steel API X52 by shielded metal arc welding process was conducted us
摘要:针对高速公路几种特殊路基情况,提出相应的处理方法。 关键词:高速公路;特殊路基;施工技术;分析 Abstract: Aiming at some special roadbed of the expressway, this paper puts forward the corresponding treatment methods. Keywords: highway; specia