Infected mandibular, parotid and anterior cervical nodes usually cause subcutaneous induration and surface bulging.
感染的下颌,耳下和颈前淋巴结,通常引起皮下硬结和表面突起。
By bulging forming technology analysis of color kinescope shaded cover, die structure and main parts designs are introduced. Punch surface shape is also designed by surface equations.
对彩管荫罩零件进行张拉成形工艺分析,介绍了模具结构及主要零件设计,并运用曲面方程进行凸模曲面形状设计。
By bulging forming technology analysis of color kinescope shaded cover, die structure and main parts designs are introduced. Punch surface shape is also designed by surface equations.
对彩管荫罩零件进行张拉成形工艺分析,介绍了模具结构及主要零件设计,并运用曲面方程进行凸模曲面形状设计。
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