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。
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。
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。
The utility model relates to the field of radial drilling machines, in particular to a bench drill with a lifting device.
本实用新型涉及摇臂钻床领域，具体为一种带起吊装置的台钻。
The utility model relates to the field of radial drilling machines, in particular to a bench drill with a lifting device.
本实用新型涉及摇臂钻床领域，具体为一种带起吊装置的台钻。
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