The faultrepairing level of the numerical control machine has the direct influence on the production of the factory.
数控机床故障修复的水平直接影响着工厂的生产进度。
2
The working principle of colour TV supply source circuit and fault analysis were described. Some maintenance examples are helpful for repairing other switch supply source circuits.
介绍了彩显电源电路的基本原理及故障的分析和维修实例，对维修其它开关电源电路具有借鉴作用。
3
This paper presents a kind of repairing scheme for broken-wires fault of OPGW cable, and demonstrates the feasibility of using the repair-strips by experimentation.