faultfinding

例句：

1. 1. The engineers were tasked with faultfinding before the project began.
   工程师们在项目开始前被分配了故障查找的任务。
2. 2. They conducted a thorough faultfinding to identify the root cause of the problem.
   他们进行了彻底的故障查找，以确定问题的根源。
3. 3. The company's quality assurance team is responsible for faultfinding and ensuring customer satisfaction.
   公司的质量保证团队负责故障查找和确保客户满意度。