self excited multivibrator

机械专业... ... self-excited motor 自励电动机 self-excited multivibrator 自激多谐振荡器 self-excited oscillation 自激振荡 ...

... "self-excited motor " 自励电动机" "self-excited multivibrator " 自激复振器" "self-excited oscillation " 自激振荡" ...