flexural endurance limit

例句：

1. 1. Thematerial's flexural endurancelimit is critical for its durability.
   材料的挠曲持久极限对其耐用性至关重要。
2. 2. The engineerdetermined the flexural endurance limitof the beam to ensure its strength.
   工程师确定了梁的挠曲持久极限，以确保其强度。
3. 3. The manufacturer must comply with theflexural endurance limit to preventfatigue failure.
   制造商必须遵守挠曲持久极限，以防止疲劳失效。