safety current of detonator

例句：

1. 1.The safety current is crucial for the operation of the device.
   安全电流对于该设备的运行至关重要。
2. 2.The safety current was tested to ensure its reliability.
   进行了安全电流测试以确保其可靠性。
3. 3.The safety current was designed to prevent overheating.
   安全电流被设计用来防止过热。