low-layer tester

例句：

1. 1.The new software is designed to perform a low-level test on the hardware.
   这款新软件旨在对硬件进行低层测试。
2. 2.The engineer used a low-level tester to diagnose the problem in the circuit.
   工程师使用低层测试器诊断电路中的问题。
3. 3. The low-level tester was used to ensure that the components were functioning properly.
   低层测试器被用来确保组件正常工作。