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...