armerror

... arithmeticalmeandeviationofthefoughnessprofile粗糙度轮廓的算术平均偏差 armerror不等臂误差 armature动铁芯 ...

 arm error

... arithmetical mean deviation of the(foughness)profile,(粗糙度）轮廓的算术平均偏差 arm error,不等臂误差 armature,动铁芯 ...