引起火灾的原因很多，有人为的疏忽，设备的老化，等等；
The fire caused by many reasons, It was for negligence aging equipment, etc.
首钢新钢动力厂对多年前引进的工业汽轮机的调速系统进行了改造，解决了引进设备的老化问题和备件供应问题，并降低了机组能耗。
An introduction was made on the transformation of the speed governing system of industrial turbines imported by the Xinggang Power Plant of Shougang Iron &Steel Co.
研究者认为此太阳能设备能检查老化的电力线。
Researchers think the solar-powered device could survey aging electrical lines.
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