dual circuitry check

例句：

1. 1. The engineer performed a dual-circuitry check on the new device before it was put into use.
   工程师在设备投入使用前对其进行了双电路检查。
2. 2.During the testing phase, the dual-circuitry check revealed several issues with the software.
   测试阶段，双电路检查揭示了软件的几项问题。
3. 3. The manufacturer conducted a dual-circuitry check to ensure the product met all safety standards.
   制造商进行了双电路检查，以确保产品符合所有安全标准。