单词	墳圈
释义	墳圈 fén quān坟地，墓园。坟圈
随便看	double point toothing double-point toothing double poisson distribution double Poisson processes double polarisation double polarities phase-shifting control double polarity pulse amplitude modulati double-polarity pulse-amplitude modulation double polarization Double polarization receive double polarization reception double polar signal doublepole double pole double-pole double pole both connected Double-Pole Both Connected double-pole contact double-pole contactor double-pole cutout double pole cut out double pole cut-out double-pole cut-out double-pole double-break method double-pole double-break protection