Hydrocarbon pipelines transporting compressible products like methane or high-vapor-pressure(HVP)liquids under supercrit......

TC4钛合金具有良好的综合力学性能,其激光焊接结构现已广泛应用于航空航天等领域。通过开展TC4钛合金双激光束双侧同步焊接试验,对......