lap belts中文什么意思

例句与用法

1. import young lap belts for cars
   进口少儿汽车安全带。
2. but there are still some points to watch . and these are more important with static type belts . the lap belt must restrain your hip bones by lying across the top of your thighs not stomach
   大多数新式的安全带都是自动式，但仍须注意以下数点尤其是手调式安全带：安全带的横带应横过你的上大腿，而非腹部，用以固定你的臀部
3. lap belts, as well as the lap portion of a lap-shoulder belt combination should be placed low, across the hips, under the bump and over the upper thighs . they must lie snugly over the pelvis, one of the stronger bones of the body
   环腰式安全带或安全带的横带一段部分应调低至两臀骨位置，即腹之下及大腿骨之上，将带紧贴盘骨人体最坚固的骨骼之一。