Ro-Ro vessels for cargo and passengers (RoPax) are a relatively new concept that has proven to be popular in the Mediter......

未来中国轿车发展的重点将是排量在1.3L以下，售价不超过10万元的经济型轿车。目前，我国生产的经济型轿车在乘坐舒适性、噪声控制、人......