The airbags still don 't deploy unless there 's an actual crash .

另外除非碰撞的确发生了，否则安全气囊不会展开。

Look at what happened when automotive engineers designed the first airbags , for example .

以自动化工程师设计首批安全气囊为例。

The airbags were designed to fit the body dimensions of the all-male design team .

这些安全气囊按照设计团队成员的身体尺寸来设计，但他们都是男性。

On average women are shorter and lighter than men so the likelihood of injury from airbags increases .

平均来说，女性要比男性矮，体重也轻，所以来自气囊的伤害的可能性增加。

Seat belts are the only mandatory equipment , and the increase in car buying hasn 't boosted demand for airbags or anti-lock brakes , automakers said .

安全带是强制安装的设备，但是增加的汽车购买者并没有对安全气囊或防抱死制动系统的需求，汽车制造商说道。