采用氩弧局部强化可提高环槽的硬度和高温耐磨性。
Application of argon arc local strengthen can increase hardness and high-temperature wear resistance of the ring groove.
太行山造山带被大多数学者称为构造岩浆带，被认为是中生代环太平洋岩浆弧的组成部分。
Taihangshan orogen, called tectonomagmatic belt by most of geologists, is thought to be a part of Mesozoic circum Pacific magmatic arc.
本文介绍了液化石油气钢瓶环缝锁底接头、两道埋弧焊工艺。
Two passes ASAW technology for girth weld of LPG cylinder with lock butt joint is introduced.
应用推荐