pressure-low warning light

例句：

1. 1.The pressure-low warning light indicates that the system is under pressure.
   低压警报灯表示系统压力过高。
2. 2. The low pressure-warning light can be a sign of a leaky pipe.
   低压警报灯可能是管道泄漏的迹象。
3. 3.When the pressure-low warning light goes off, it means you need to check your gas supply.
   当低压警报灯熄灭时，意味着你需要检查你的燃气供应。