当卵形，矩形的冲头及入子异国在标准的位置时，球锁的位置及扁平键应该标在料表清单上。
The position of the ball seat and key flats must be noted on stock list when not in standard position on oblong and rectangular punches and buttons.
本文在总结现有头模型建模方法的基础上，依据实际存在的头部组织电导率不均匀分布的情况建立了四层偏心球模型。
On the basis of current construction methods of head models, four-layer sphere model was constructed in this paper according to asymmetry prosperities of brain tissues.
所述球头主体具有中空主体部，以及 一同体设置于所述中空主体部上且界定出颈道的连接部。
The ball head main body is provided with a hollow main body part and a connecting part that is arranged on the hollow main body part in a consubstantial way and is defined with neck path.
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