可指定导线长度；
实训教学中按原电路布线时，易造成接线工艺繁琐、结构不合理，增加连接导线长度等；
In the course of teaching, the original way has its disadvantages, such as, the complicated proc ess, the unreasonable structure, the inaccurate length of wire, etc.
该装置通过单盘天平可计算出安培力，并与电流计所示值及裸导线长度做比较，得出定量的结论。
Comparing with the reading of ammeter and the length of the bare wire, quantitative conclusion is obtained.
如果需要使用的导线长度超过25毫米，或者使用裸导线会造成焊盘与零件脚之间短路，这些情况下必须使用有绝缘皮的导线。
How to translate this sentence?Wire is insulated if greater than 25 mm in length or is liable to short between lands or component leads.
如果需要使用的导线长度超过25毫米，或者使用裸导线会造成焊盘与零件脚之间短路，这些情况下必须使用有绝缘皮的导线。
How to translate this sentence?Wire is insulated if greater than 25 mm in length or is liable to short between lands or component leads.
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