单词	NPN
释义	NPN /ɛnpiːˈɛn / adjective Electronics Denoting a semiconductor device in which a p-type region is sandwiched between two n-type regions.
随便看	drawdown drawee drawer drawerful draw hoe draw in drawing drawing board drawing card drawing pin drawing room drawknife drawky drawl drawler draw lots drawly drawn drawn butter drawn-out drawn-thread-work drawn work draw-off draw-off pipe draw on

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