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奥托昆普公司研制的新型金属异物探测器Metor 117,据称北普通探测器效果好得多、该探测器采用双路交义磁場,当金属物
Outokumpu company developed a new type of metal foreign body detector Metor 117, allegedly north of the general detector is much better, the detector uses two-way magnetic field, when the metal