But there have been a lot of problems about bus and coach safety to be solved, such as safety regulation, structure, CAE work, manufacture.
在客车安全中尚有许多值得深入研究的领域，如客车安全相关法规、客车车体结构、客车CAE工作和安全车身的制作等。
Bus and coach accidents have become a severe safety problem recent years.
近年来，我国客车安全事故已经成为严重的安全问题。
Safe bus and coach will have a good development prospect due to their serious safety problems.
因为客车安全问题严重，故安全客车会有很好的发展前景。
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