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篙是船上使用最早的推进器之一,也是最原始的推进方式。1982年,亚洲的老挝发行过1套(共6枚)邮票,图1是其中1枚撑篙船邮票。桨是船上使用历史最长的推进器。桨的结构有很多种。桨在船
篙 is one of the earliest thrusters used on board, and is also the most primitive way of propulsion. In 1982, a set of 6 stamps were issued in Laos of Asia. Figure 1 shows a stamp of one of the bracelets. Paddle is the longest propeller on board. Paddle structure there are many. Paddle on the boat