平面印刷电路板托盘的设计，在人工操作平台上可容纳25个印刷电路板。
Flat PCB holding trays are designed to hold up to 25 PCBs for storage and transport at manual workstations.
通过电磁理论分析，提出了一种基于印刷电路板(PCB)的平面型空心线圈电流互感器。
By electromagnetic theory analysis, this paper presented a planar hollow coil current transformer based on printed circuit board (PCB).
该发明涉及的电感式传感器的单位有一个或若干个线圈，它们在印刷电路板安装在一个平面的方式。
The invention relates to an inductive sensor unit having one or several coils, which are mounted on a printed circuit board in a planar manner.
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