helm indicatorhelmindicatorrudder angle indicatorrudder indicatorrudder position indicatorrudder signal gearrudder telltalerudderindicatorsteering indextiller telltalewheel angle indicatorwheelangleindicator舵: rudder; helm角: role; part; character指示器: indicator; pointer; director ...操舵角指示器: wheel angle indicator; wheelangleindicator舵角指示器灯: rudder telltale lamp下载手机词典可随时随地查词查翻译