NEW REPAIR WELDING PROCEDURE OF CAST IRON BY SPRAYING Ni -MATRIX ALLOY TRANSITION LAYER AND COLD WELDING USING HOMOGENEOUS CAST IRON WELDING ELECTRODE是什么意思_NEW REPAIR WELDING PROCEDURE OF CAST IRON BY SPRAYING Ni -MATRIX ALLOY TRANSITION LAYER AND COLD WELDING USING HOMOGENEOUS CAST IRON WELDING ELECTRODE在线翻译_英语_读音_用法_例句