然而，如果鸟(或电工)意外地接触了与高压线相连接的通电的“地线”，它形成了一个电路。
But if a bird (or a power line worker) accidentally touches an electrical "ground" while in contact with the high-voltage wire, she completes an electrical circuit.
最后提出了用户电路板中印制板电源、地线布线设计时应注意的问题。
Finally, it indicates the problems to which one should pay more attention when designing power and ground wire in Subscriber Circuit Board.
一是通过优化电路设计、配线分离，包括含接地线的线路板设计；
First, through the optimization of circuit design, matching line separation, ground line board design;
加热器电路接地线直接连接到地面，加热器电路电源线也直接从点火电路或继电器盒处提供。
The heater circuit power wire is supplied directly from the ignition circuit or a relay and the heater circuit ground is connected directly to the ground plane.
加热器电路接地线直接连接到地面，加热器电路电源线也直接从点火电路或继电器盒处提供。
The heater circuit power wire is supplied directly from the ignition circuit or a relay and the heater circuit ground is connected directly to the ground plane.
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