词汇	wood sample
释义	wood sample 木材标本
随便看	potentiometer card generator potentiometer chain potentiometer circuit potentiometer Cole's potentiometer,Cole's hydrogen electrode potentiometer compass potentiometer control potentiometer controller potentiometer data system potentiometer error-measuring system potentiometer for alternating voltage potentiometer function generator potentiometer group potentiometer hydrogen ion potentiometer lamp potentiometer loading potentiometer loading error potentiometer measurement potentiometer meaurement potentiometer method potentiometer movable arm potentiometer multiplier potentiometer oil potentiometer output potentiometer pick-off