权威例句
Crash helmetCRASH HELMETCrash helmetThermoelectric crash helmet cooling system with no mechanically moving components or fluidsKnowledge, attitude, and practice of Nigerian commercial motorcyclists in the use of crash helmet and other safety measuresHead Injuries in Motor-cyclists. The Importance of the Crash HelmetHead Injuries in Motor-cyclists: with Special Reference to Crash HelmetsApplication of the finite-element method to simulation of damage to the human skull as a consequence of missile impact on a multi-la...Pedal cyclists, crash helmets and riskThe crash helmet legislation in Nigeria: A before-and-after studyMaterials for motorcycle crash helmets - A finite element parametric studyMotor-cyclists, Crash Helmets, and Head InjuriesCrash helmets reduce head injuries.
