thermit repair welding的意思|示意
美 / /
英 / /
热修复焊
thermit repair welding的网络常见释义
热剂补焊 ... 低氢氧机压乙炔发生器 low pressure air conditioning unitetylene generator 热剂补焊 thermit repair welding 钢轨热剂焊 thermit rail welding ...