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不知你是否注意到,很多进口汽车都装有安全气囊。当汽车万一与别的汽车或障碍物碰撞时,它会自动充气,驾驶员和前排乘客的身体,就有这气囊“垫”状,不会碰到易碎的挡风玻璃或坚硬的仪表板上(图1)因
I do not know if you noticed that many imported cars are equipped with airbags. When the car collides with another car or obstacle, it automatically inflates and the driver and front passenger’s body have the “cushion” shape of the airbag and will not hit the fragile windshield or hard Dashboard (Figure 1) due to