各种各样的装置都需要进行通断性检查，包括电缆成套件、印制板和连接器，以确保这些元件具有预期的连续通路。
Continuity checks are typically performed on a variety of devices, including cable assemblies, printed circuit boards, and connectors, to ensure these components have a continuous path where desired.
同时，为了达到微型化的设计目标，选用了低功耗的表贴元件、双层印制板制作电路板。
At the same time, For the purpose of the micromation, low-power surface mounting components and double deck printed circuit board are employed.
本实用新型是由双孔面板、带元件的印制板和螺钉构成，采用的是二分配器电路。
The utility model is composed of a double-hole panel, screws and a printed board with elements, and a second distributer circuit is adopted.
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