breakdownn.崩溃；故障；衰弱；分类，明细；跺脚曳步舞breakdown tome汽油的诱导期breakdown slip极限转差率,临界转差率,停转转差率breakdown zone断裂部分breakdown rate断裂速率breakdown spot击穿点breakdown area哗区breakdown point强度极限,击穿点,破坏点breakdown noise击穿噪声,哗噪声breakdown crane救险吊车,拆卸起重机,应急起重机breakdown judge故障判断