allowable contact stress

例句：

1. 1.The design of the bridge must allowablecontact stress to be within safe limits.
   桥梁的设计必须允许接触应力在安全范围内。
2. 2.The material used in this project must allowable contact stress to be within acceptable limits.
   该项目中使用的材料必须允许接触应力在可接受范围内。
3. 3. The manufacturer has to ensurethat the product allowsable contact stress isnot exceeded during use.
   制造商必须确保产品在使用过程中不会超过允许的接触应力。