侧车 meaning in Chinese

side car
side wheel

Internal side turning tools for corner work with carbide tips
硬质合金刀片角加工用内侧车刀
You must not carry more than one passenger unless there is a sidecar on the motorcycle
除非电单车配上侧车，否则不可以接载超过一名乘客。
You must not carry a passenger under the age of 8 years unless he or she is carried on a fixed seat in a sidecar
电单车后座不能载少于八岁的乘客，侧车固定座位上的乘客可少于八岁。