短語(yǔ)詞組短語(yǔ)alternating current magnetic field 交變磁場(chǎng)alternating impulse magnetic field 脈沖磁場(chǎng)alternating electronic magnetic field 交變電磁場(chǎng)alternating magnetic field sensor 交變磁場(chǎng)傳感器even alternating magnetic field 均勻諧變低頻弱磁場(chǎng)secondary alternating magnetic field 二次交變磁場(chǎng)rotating alternating magnetic field 旋轉(zhuǎn)交變磁場(chǎng)external alternating magnetic field 交變磁場(chǎng)intermittent alternating magnetic field 間歇式高頻電磁場(chǎng) 返回 alternating magnetic field