n. head
misc. cutting head ; phonograph cutter ; recording head
反馈刻纹头 feedback cutter
反馈式刻纹头 [电子] feedback cutter head
电磁刻纹头 magnetic cutter head ; electromagnetic cutter
电动刻纹头 [电子] electrodynamic cutter head
留声机刻纹头 [电子] phonograph cutter
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