尽管印制元件的边缘部分仍有些粗糙，但他们还是重组了一节生锈的铁。
The printed parts are still a bit rough around the edges, though—they resemble rusty lengths of iron.
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.
在印制电路板的典型装配中，占总价格不到3%的元件可能会占据电路板上40%的空间。
In a typical printed circuit board (PCB), accounting for less than 3% of the total price of the components may account for 40% of board space.
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