所述的第二部分的磁材为半环形状，所述的封装层将磁材封装成一个整体；

The packaging layer packages the half-ring shaped magnetic material of the second part into an integral body.

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所述的第二部分的磁材为半环形状，所述的封装层将磁材封装成一个整体；

The packaging layer packages the half-ring shaped magnetic material of the second part into an integral body.

youdao