题目内容
Instead automatic optical inspection is a far more viable solution. Machines are available that are able to inspect boards and detect poor joints, misplaced components, and under some instances the wrong component.
查看答案
搜索结果不匹配？点我反馈
更多问题
In-circuit test is to do the physical measurements (i.e. voltage, frequency) , then functional test is to check if the PCB does what it had been designed for.
ESD prevention may include setting up an ESD safe workstation , using anti-static mats and conductive flooring materials to conduct harmful electric charges away from the work area, wearing conductive garments and conducting wrist straps to prevent high voltages from accumulating on workers’ bodies, using ESD-safe bag to store and transport any ESD sensitive electronic component.
接触轨可靠性高,维修费用低,设计使用期长达( )年,其经济效益不可估量。 ( )
接触轨设备检修周期:( )个月 ( )
微信支付 
支付宝支付