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Wasn't the round hole a circular gate?
墙上大圆圈是一扇圆形的大门吗？
youdao
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In terms of a circular plastic product, a simple pin point gate mould was designed.
针对一种圆筒形制品，设计了一种结构简单的点浇口成型模具结构。
youdao
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In terms of a circular plastic product, a simple pin point gate mould was designed.
针对一种圆筒形制品，设计了一种结构简单的点浇口成型模具结构。
youdao