以印制电路板的电磁兼容性为核心，分析了电磁干扰的产生机理，详细介绍了在设计、装配印制电路板时的抗干扰措施。

The mechanism of EMI is analyzed, and the anti-interference measures of the PCB in design and assemble are amply introduced with the core of EMC.

youdao

印制电路板（PCB）数控钻床是印制电路板精密孔位加工关键的工艺装备。

The PCB NC drilling machine is key technology equipment in the PCB's precise hole site processing.

youdao

在组装的印制电路板自动光学检测中，由于印制电路板的热变形，造成检测中焊点位置的偏移导致测试失败。

Because of the thermal distortion, the solder check position has be shifted during Automated Optical Inspection (AOI) for the PCB (Printed Circuit Board) assembled.

youdao