Headrests are often positioned too far back ( right ) , increasing the risk of whiplash injuries considerably .

汽车头枕的位置通常都太靠后（右）了，这极大地增加了鞭抽式头部损伤的风险。

Uniform provisions concerning the approval of head restraints ( headrests ) , whether or not incorporated in vehicle seats .

关于头枕（不论其是否与座椅连为一体）认证的统一规定。

British airways says that it cleans its seats , replaces the headrests and vacuums the floors , in addition to other measures after every flight .

英国航空公司说在每次飞行结束后，他们会清洁座椅，替换靠头垫，对地板用吸尘器打扫，此外还有其它措施。

All the action was in the rear seats that reclined like those in an airplane 's business class , with pillowed headrests and extended footrests .

所有的活动都是在后排座位上进行的，迈巴赫的后排座位可以像飞机的商务舱座位一样向后方倾斜，而且还有头枕和延伸出来的踏脚板。