breakdown voltage[电]击穿电压
work breakdown工作分解
2.They became convinced that breakdowns were not the direct result of the fighting.
他们开始确信崩溃并非是战斗的直接结果。
4.But in the last decade, poor maintenance has led to breakdowns, overcrowding and lengthy delays.
但在过去十年里,养护不良已经导致故障、过度拥挤和长时间误点。