The described guide piece can be made into a spiral piece or plate piece with appropriate shape and size.

所述导引件可为具有适当的形状和尺寸的螺旋形或板形件。

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The described guide piece can be made into a spiral piece or plate piece with appropriate shape and size.

所述导引件可为具有适当的形状和尺寸的螺旋形或板形件。

youdao