超差: overproof时间: time; hour率: rate; ratio; proportion时间率: time rate参差时间: stagger time偏差时间: deflection time时间差时差: time difference误差时间: error time分部时间率: departmental hour rate负荷时间率: load hour factor工作时间率: working time ratio焊接时间率: arcing time factor累积时间率: cumulative fraction生产时间率: producing time percentage停机时间率: down time rate字时间率: word time rate纯钻进时间率: net penetration time percentage超差: overproof◇超差零件 out-of-tolerance parts; 超差品 ultra-poor products继电器参差时间: relay stagger time最优微差时间间隔: optimum short-delay time interval峰值功率持续时间率: peak load effective duration factor超差界: boundary for gross error超差品: ultra poor products; ultra-poor products中间率: percentage between爸爸出差时: when father was away on busine