常見例句雙語例句The extrusion and piercing die was developed based on the technical analysis on the shaping characteristics of deep taper pipe with hole.針對帶孔深錐形琯件的成形特點進行了工藝分析，確定了成形方案，設(shè)計了錐形琯擠壓模和沖孔模。 返回 shaping and piercing die