duration of load meaning in Chinese

负荷保持时间
荷载作用时间
载荷期间

Wood - based panels . determination of duration of load and creep factors
木质板材.持续负荷和蠕变系数的测定
Wood - based panels - determination of duration of load and creep factors
木基板.负荷持续时间和蠕变因子的测定
Duration of load
负荷保持时间
Wood - based panels - determination of duration of load and creep factors ; german version env 1156 : 1998
木基板.耐久强度和蠕变系数测定
Standard specification for evaluation of duration of load and creep effects of wood and wood - based products
木材和木质品的持续负载和蠕变影响评定的标准规范