器: implement; utensil; ware高频: high frequency预先: in advance; beforehand滤波器: electric filter; wave filter ...射频预选器: r-f preselectors; rf preselector高频滤波器: high cut filter; high filter; high frequency filter预选器: line switch; pre selector; preselector; su criber selector; subscriber selector特高频滤波器: ultra-high-frequency filter; ultrahigh frequency filter预选器, 预选程序: preselector预选器，预选装置: preselector第二预选器: second preselector第一预选器: first line switch分组预选器: group line switch区组预选器: group line switch信息预选器: preselector of information预选器架: line-switch board中继预选器: relay preselector高频截止滤波器: high cutoff filter高频晶体滤波器: high frequency crystal filter高频陶瓷滤波器: high-frequency ceramic filter甚高频带通滤波器: vhf bandpass filter特高频带通滤波器: uhf band pass filter; uhf bandpass filter高频预热: high frequency preheating; high-frequency preheating; preheating by dielectric losses; radio-frequency preheating高频预热器: high frequency preheater步进式预选器: stepping preselector
