该结构简化了制造工艺，磁轭保持了高的导磁率，因此扩大了测试范围。
The new construction has the advantages that the manufacturing technique is simplified and the yoke maintains a high level of permeability so that the range of examination is extended.
该结构简化了制造工艺，磁轭保持了高的导磁率，因此扩大了测试范围。
The new construction has the advantages that the manufacturing technique is simplified and the yoke maintains a high level of permeability so that the range of examination is extended.
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