本文讨论测定锭杆或小半径工件残余应力的基本原理。
This paper deals with the basic principle of measuring residual stress in spindle shaft or in workpiece of small radius.
电动机定子线圈通上电源，电动机转子就和锭杆一起转动。
When the motor stator coil is electrified, the motor rotor rotates together with the spindle blade.
电动机定子线圈连通电源，电动机转子就和锭杆一起转动。
When the stator coil of the motor is communicated with an electrical source, the rotor of the motor rotates with the spindle rod.
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