control limit

例句：

1. 1. The company has set a control limit of 5% for its product quality.
   该公司已设定产品质量的5%控制限。
2. 2. The temperature control limit is set at 20°C.
   温度控制限为20°C。
3. 3.The safety margin is the control limit beyond which we cannot accept any further risk.
   安全边际是我们不能接受任何进一步风险的控制限。