breakdowns故障breakdownn.崩溃；故障；衰弱；分类，明细；跺脚曳步舞breakdown elimination故障排除breakdown weak points击穿弱点breakdown of a family家庭破裂, 家庭崩溃breakdown maintenance损坏维护,故障维修breakdown of marriage婚姻破裂Breakdown by electric电弧故障breakdown of archives档案的分类breakdown by countries按国别分类breakdown of variation变差分解breakdown localization故障定位