步进马达 bùjìnmǎdá stepper motor Origin Definitions Defs Strokes Stroke Words Sentences Sents 步进 步進 bùjìn step-by-step (of a machine or process) to advance in increments; step-by-step; stepping马达 馬達 mǎdá noun motor electric motor; a device that turns electrical energy into mechanical energy to power a machine