light overhaul

基本解释

It has also allowed the government to overhaul the electricity system (as well as replacing 52m incandescent light bulbs with energy-saving ones).
这些援助还让古巴政府对电力系统进行了大的整修（还将古巴国的5200万的白炽灯泡用节能灯泡代替）。
The author goes further into the cause and treatment of "bearing burning" of the steel ball pulverizer in the light of practical experience in overhaul of it.
本文结合钢球磨煤机轴承检修过程中的实践经验，探讨钢球磨煤机滑动轴承烧瓦的原因及处理方法。
Molycorp appears to have faith in its light rare earths: it's spending $781 million to overhaul its equipment and expand potential production to 40, 000 tons a year.
莫利矿业似乎对它的小分子量的稀土元素信心满满：斥7亿8千1百万美元巨资翻修它的设备并将预期产量提升至每年40000吨。

Both have been called out for their roles in the housing bubble but their absence during much of the implementation of the financial overhaul will further light a fire under a growing resistance to reform.
FORBES: Is Financial Reform Doomed After The Barney Frank Era?