多种颜色设计，易于区分不同的线材，便于查找线路，省时省力，美观大方。
Design a variety of colors, easy to distinguish between different wires, easy to find routes, saving time and effort, nice.
为了帮助查找、解决用户上网时adsl线路的故障，本文介绍了一种ADSL故障测试仪。
In order to search and solve the ADSL line fault when the user accesses the net, we introduce one kind ADSL fault Detect I ng instrument in this thesis.
老式龙门刨床的电控部份采用继电器逻辑控制，线路复杂，故障率高，查找故障困难。
Relay logic control is used in old planer, and its circuitry is complicated, so the malfunction rate is high, and it is difficult to find the malfunction out.
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