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제목	UsEqFVXEmxrWZTqRGw
작성자	Sherwood
비밀번호		조회수	174
등록일	2019/08/10 (03:58)
내 용	We used to work together http://al4a.fun/ www.al4a.com Sailing shares with aeronautics the physics of lift and dragand high- and low-pressure airflow - picture a plane turned onits side in the water with one wing a "dagger board" protrudingbelow the hull and the other a vertical mainsail.


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