駕駛或乘坐電單車時必須佩戴並扣緊的認可類型頭盔。
A helmet of approved type that the rider and passenger of a motor cycle must wear and securely fasten.
駕駛或乘坐電單車時必須佩戴並扣緊的認可類型頭盔。
A helmet of approved type that the rider and passenger of a motor cycle must wear and securely fasten.