So disconnect the bench top power supply from circuit under test before soldering sensitive device.

因此﹐在给敏感设备焊锡之前﹐必须将台式电源与测试电路断开。

youdao

Based with AT89S8252, a test bench was designed to examine the performance of leaking of the air brake Chambers. This device was equipped with USB interface.

以at89s8252单片机为处理器，针对膜片式双腔制动气室，开发了一种具有USB接口的、测试制动气室漏气状况的自动试验台。

youdao

This circuit makes use of modular structure, photoelectric isolation technique and programmable device and really improves the reliability and maintainability of transmitter test bench.

这一监控电路采用了模块化的设计思路，引入了可编程器件技术及光电隔离技术，从而提高了整个测试台的可靠性和可维护性。

youdao