标 准 编 号：JIS Z3351-2012简体中文标题：碳钢及低合金钢用埋弧焊实心焊丝繁体中文标题：碳钢及低合金钢用埋弧焊实心焊丝English name ：Solid wires for submerged arc welding of carbon steel and low alloy steel...