短语词组短语telegraph cable landing buoy 海底电缆接岸浮标submarine cable buoy 海底电缆浮标telegraph cable buoy 海底电缆浮标buoy cable 电缆浮标signal buoy cable 信号浮标电缆horn buoy cable 喇叭线horn buoy cable contact cup 喇叭线接触杯horn buoy button cable 喇叭按钮导线 返回 cable buoy