“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	seawater resources seawater salinity observation sea water sampling seawater scatterance meter seawater spectral irradiance seawater temperature meter seawater temperature observation seawater total alkalinity measurement instrument sea water use industry Sea Wave sea wave sea wave disasters in China sea wave in marginal sea of China sea wave model sea wave spectrum sea waybill seaweed seaweed germplasm library with filamentous generation seaweed polysaccharide seaweed polysaccharide drug sea surface air temperature meter sea surface pressure gauge SEB sebaceons gland sebaceous gland

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