标 准 编 号:JIS Z3129-2005 简体中文标题:钢的单道和双道焊接技术用试样的试验方法和制备 繁体中文标题:钢的单道和双道焊接技术用试样的试验方法和制备 English Name:Test method and preparation of test specimens for single-run and two-run welding technique in steel