Warning: file_put_contents(): Only 0 of 5091 bytes written, possibly out of free disk space in /www/wwwroot/ppbbu/52065.com/index.php on line 55 spark erosion英英字典_spark erosion剑桥英语解释_spark erosion柯林斯英文解释_伍贰汉英词典
1. N a method of machining using a shaped electrode which erodes the workpiece by an electric spark discharge between itself and the workpiece 電火花腐蝕[engineering]