词汇	chessboll
释义	chessboll 🌏棋子
随便看	station control blockSCB station control circuit station control desk station control error station-control error station controller station control operation plan Station Control Unit station coordinate station coordinates station correction station counting circuit station counting matrix station counting unit station-crossing station deactivation station decoding circuit station density station description station design station designation code station designator station device monitoring system station diagogue station dial