insertion test signal

例句：

1. 1. The insertion test is a crucial step in the testing process.
   插入测试是测试过程中至关重要的一步。
2. 2.The engineer used an insertion test to ensure the cable was properly installed.
   工程师使用插入测试来确保电缆正确安装。
3. 3. During the manufacturing process, the insertion test is performed to detect any defects in the product.
   在制造过程中，插入测试被执行以检测产品中的任何缺陷。