?推推放大器

... push-pull voltage 推挽电压 push-push amplifier 推推放大器 push-push circuit 推推电路 ...

?推

... push-pull video frequency modulation ==> 推挽视频调制 push-push amplifier ==> 推-推放大器,双推放大器 push-push circuit ==> 双推电路 ...

?推放大器

push-push amplifier 推-推放大器...