Warning: file_put_contents(/www/wwwroot/ppbbu/4cd.cn/cache/ce37ba1acce8164872bc0b4838c91137.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/4cd.cn/index.php on line 55 shaping and piercing die例句_shaping and piercing die英汉例句_shaping and piercing die双解例句_沉淀汉英词典
The extrusion and piercing die was developed based on the technical analysis on the shaping characteristics of deep taper pipe with hole. 针对带孔深锥形管件的成形特点进行了工艺分析,确定了成形方案,设计了锥形管挤压模和冲孔模。