internal friction的用法和樣例：
例句
- The cohesion and modulus of compression of the substratum are deeply reduced after water gushing in pits, but the internal friction angle of the substratum doesn't change.
基坑突水破壞使得基底軟土層的黏聚力和壓縮模量顯著下降，而對內摩擦角的影響較小。 - The Socialists will be marginalised by their internal rivalry.
社會黨因自己的內耗而被邊緣化。 - Hidden agendas proliferate, and internal politics drain time and energy.
私下的做事習慣不斷擴散，組織內部政治產生內耗。
