- 问题详情:Mostcarshaveseatbeltsaspartoftheirequipment.Seatbeltsprotectdriversandpassengersincaseofaccidents.Theyalsoreducetheeffectofacrashonthebody.____16____Worldwide,thedeviceshaveprotecteduptoamillionpeople.Americafirstrecognizedtheinventionofanaut...
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