全体召回时，竞委艇升起代一旗并发出音响信号二声。
When General recall, RC boat will displayed First Substitute flag plus Two sound signal.
此次拍卖资产主要包括参加百年盛会开幕式活动的一批动力艇和无动力旗船。
The items to be sold this auction include a group of boats with engines and other boats without engines, all of which were used at the opening ceremony gala show.
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