| 单词 | seat belt tensioner |
| 释义 | seat belt tensioner in Automotive Engineering (sit bɛlt tɛnʃənər) Word forms: (regular plural) seat belt tensioners noun (Automotive engineering: Vehicle components, Bodywork, controls, and accessories) seat beltA seat belt tensioner is a device in a vehicle that pulls a seat belt tight if there is a sudden movement or stop. Standard safety features include a driver's air bag and seat belt tensioners. A seat belt tensioner considerably increases the passenger protection afforded by the safety belts in thecase of an accident. Seat belt tensioners work in conjunction with the air bags by maintaining proper occupant position, andreducing the amount of work the air bags have to do. |
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