Water Bag floating - water absorbing, balanced density design.jpg
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Water Bag floating water absorbing, balanced density design, Water Bag floating - water absorbing, balanced density design
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Water Bag floating water absorbing, balanced density design, Taijitu, Buoyancy, Floating
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水バッグ 浮遊水の吸収、バランスの取れた密度設計、水バッグの浮遊-水の吸収、バランスの取れた密度設計
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水バッグ 浮遊水の吸収、バランスの取れた密度設計、太極、浮力、浮遊
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absorbing buoyancy buoyant center of buoyancy levitation floating white tai balanced red tai gliding density water right