The extrathickness enables the car to achieve an ultra-stiff torsion and flex setting required for high-competition foam racing.
额外的厚度，使汽车达到超扭转刚性和柔性设置所需的高竞争的泡沫赛车。
2
The trousers have double thickness knee panels for extra protection.
这条裤子上有双倍厚的护膝片以加强保护。
《牛津词典》
3
The new probe was built using improved electronics and batteries, and an extra radar altimeter, a device that will fire microwaves at the arctic and Antarctic ice to reveal its thickness.