车顶行李箱，也被称为车顶箱或汽车行李箱，其英文名称是Roof-box。以下是关于车顶行李箱的详细解释：

定义与用途：

车顶行李箱是专为汽车设计的，用于安装在车顶以扩展收纳空间。

历史与发展：

在欧美发达国家，车顶行李箱已经非常普及，特别是在户外运动和自驾游爱好者中。

车顶行李箱的普及主要得益于其流线型的造型、大的收纳空间以及防风、防盗、防沙尘的设计。

优势与特点：

一体性：车顶行李箱集成了车顶筐、车顶行李网、绑带、防雨包等多种功能，是一个一步到位的选择。

风阻与风噪：相比其他搭载装备，车顶行李箱的风阻风噪更小，这有助于减少行驶中的噪音和油耗。

材料与技术：

车顶行李箱的材料经历了从玻璃钢到ABS，再到现在的改进型工程复合材料（如ABS+ASA或ABS+PMMA）的演变。这些新材料具有更高的强度、耐老化性和柔韧性。

总之，车顶行李箱是一种为汽车设计的附加存储空间，具有多种功能和优势，能够满足车主在自驾旅行、户外运动等场合中的收纳需求。

A roof box, also known as a roof box or a car luggage box, is called a roof-box in English. The following is a detailed explanation of the roof box:

Definition and Use:

Roof boxes are specially designed for cars and are installed on the roof to expand the storage space.

History and Development:

In developed countries in Europe and America, roof boxes have become very popular, especially among outdoor sports and self-driving tour enthusiasts.

The popularity of roof luggage boxes is mainly due to their streamlined shape, large storage space, and windproof, anti-theft, and anti-dust design.

Advantages and features:

Integration: The roof luggage box integrates multiple functions such as roof basket, roof luggage net, straps, rainproof bag, etc., making it a one-stop choice.

Wind resistance and wind noise: Compared with other equipment, the roof luggage box has less wind resistance and wind noise, which helps to reduce noise and fuel consumption during driving.

Materials and technologies:

The materials used in roof boxes have evolved from fiberglass to ABS and now to improved engineered composite materials that offer greater strength, aging resistance and flexibility.

In short, the roof box is an additional storage space designed for a car. It has multiple functions and advantages and can meet the storage needs of car owners during self-driving travel, outdoor sports and other occasions.