“press piercing”的概念、定义、翻译、参考文献-科学参考

单词	press piercing
释义	press piercing Encyclopedia 工学穿孔释 press piercing压力挤孔将方形或多边形钢锭放在挤压缸中，用压力机驱动带有冲头的挤压杆，将管坯挤成中空杯体的工艺过程。
随便看	Cemetery at Dahan Cemetery at Dalü Cemetery at Dazhujiacun Cemetery at Dianhe Cemetery at Ganbazi Cemetery at Gangouzi Cemetery at Gangshang and Loushang Cemetery at Gaojiabu Cemetery at Hala Haigou Cemetery at Haochuan Cemetery at Heimajing Cemetery at Hengshui Cemetery at Heshangling Cemetery at Jiuwutou Cemetery at Jucun Cemetery at Lingyanghe Cemetery at Liutaizi Cemetery at Lutaishan Cemetery at Machengzi Cemetery at Majiayuan Cemetery at Nan Baoligaotu Cemetery at Non Nok Tha Cemetery at Pingpo Qujing Cemetery at Qiaobei Cemetery at Qingliangsi

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