短语
反馈刻纹头
feedback cutter
反馈式刻纹头
[电子]
feedback cutter head
磁刻纹头
[电讯]
magnetic cutter
晶体刻纹头
[电讯]
crystal cutter
电磁刻纹头
magnetic cutter head
;
electromagnetic cutter
录音胶片刻纹头
fonofilm cutter
电动刻纹头
[电子]
electrodynamic cutter head
留声机刻纹头
[电子]
phonograph cutter
压力电刻纹头
crystal cutter
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