直线自由能关系
linear free energy relationship
普遍率与严重度关系(I-S 关系)
incidence-severity relationship
曲线直线化
approximate nonlinear method
永磁直线直流无刷电动机
linear permanent magnet brushless DC motor
直线直流放大器
linear direct current amplifier
直线直流无刷电动机
Linear brushless DC motor
轴系直线对中
straight alignment of shafting