Aluminothermic welding of rails的意思|示意
美 / /
英 / /
钢轨的铝热焊接
Aluminothermic welding of rails的网络常见释义
铁轨的铝热剂焊接 ...铁轨的铝热剂焊接.铝热焊接工资格、合同认可和焊缝的验收 英文名称： Railway applications - Track - Aluminothermic welding of rails - Qualifications of aluminothermic welders, approval of contractors and accepta..