critical defective

例句：

1. 1. The engineer identified the critical defective in the system before it caused any problems.
   工程师在系统出现问题之前，识别出了系统中的关键缺陷。
2. 2. The manufacturer has to address the critical defective in their product line to improve customer satisfaction.
   制造商必须解决产品线上的关键缺陷，以提升顾客满意度。
3. 3. The team worked tirelessly to identify and fix the critical defective that was causing the production delays.
   团队不懈努力，识别并修复了导致生产延误的关键缺陷。