primary stress-bearing area

例句：

1. 1. The designof the bridge is optimized for its primarystress-bearing area.
   桥梁的设计是为了优化其主要应力承载区域。
2. 2. Theconstruction of this tunnel willrequire careful consideration of its primarystress-bearing area.
   这座隧道的建设需要仔细考虑其主要应力承载区域。
3. 3. The engineers were tasked withensuring that the primary stress-bearingarea was adequately reinforced.
   工程师们被指派确保主要应力承载区域得到了充分的加强。