短語(yǔ)詞組短語(yǔ)bias magnet field 偏磁場(chǎng)magnet bias 偏磁bias field of permanent magnet 永磁偏置磁場(chǎng)permanent magnet bias 永磁偏置permanent -magnet bias radial magnetic bearing 永磁偏置逕曏磁軸承 返回 bias magnet