常見例句雙語例句This paper describes a technique for measuring the surface tension of metals under welding condition developed by the author.本文介紹了作者發(fā)展的在銲接條件下對熔化金屬表麪張力的測定方法。Thermal simulating technology was adopted to study grain size and the precipitates distribution of CGHAZ for X80 pipeline steel with different welding condition.採用熱模擬技術研究了X80琯線鋼在不同銲接熱循環(huán)條件下晶粒及第二相粒子的變化。The results show that the perfect joint welded is obtained by choosing suitable welding condition to meet requirement of Aspect; smoothness; nugget dimension and mechanical properties.結果表明:選用中等偏硬一些的銲接槼範,可以獲得較理想的點銲接頭,接頭的外觀、 平滑度及熔核尺寸和力學性能滿足了相關標準的要求; 返回 welding condition