据日用品安全委员会统计，每年大约有25 000名14岁以下儿童在使用跑步机、健身自行车和健身踏板时受伤。
000 children under the age of 14 are injured on treadmills, stationary bikes and stair climbers every year according to the Consumer Product Safety Commission.
据日用品安全委员会统计，每年大约有25 000名14岁以下儿童在使用跑步机、健身自行车和健身踏板时受伤。
000 children under the age of 14 are injured on treadmills, stationary bikes and stair climbers every year according to the Consumer Product Safety Commission.
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