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该间隔环是精确详细的非磁性合金或高分子的。
The spacer ring is a precision detail made of non-magnetic alloy or polymer.
youdao
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具体来说，就是合金从非磁性变成强磁性。
Specifically, the alloy goes from being non-magnetic to highly magnetized.
youdao
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具体来说，就是合金从非磁性变成强磁性。
Specifically, the alloy goes from being non-magnetic to highly magnetized.
youdao