飞艇七码回血技巧简介:Originally, Western shipbuilding technology lagged behind the East, but the emergence of three-masted sailing ships changed this. The three-masted sailing ship has three masts and a more reasonable hull structure. It can use the wind within an angle of 65 degrees to travel. Because the hull is huge, it can carry a large amount of daily necessities. It can sail at sea for several months and even sail around the earth.
Originally, Western shipbuilding technology lagged behind the East, but the emergence of three-masted sailing ships changed this. The three-masted sailing ship has three masts and a more reasonable hull structure. It can use the wind within an angle of 65 degrees to travel. Because the hull is huge, it can carry a large amount of daily necessities. It can sail at sea for several months and even sail around the earth.