general specifications of marine rateofturn indicatorsrs船: boat; ship; vessels用: 40分鐘跑完全程 run the course in 4 ...航向: -方位指示器 course-and-bearing in ...變化率: rate of change; slewing rate指示器: indicator; pointer; director ...下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯