短語詞組短語routeing charts 航路設(shè)計圖;航路圖optimum routeing 最佳航線擬定Routeing System 定線制climate routeing 氣候航線weather routeing 氣象定線UPT routeing UPT 路由optimal routeing 最佳路由選擇routeing measure 分道通航制界 返回 routeing