短语词组短语thumb wheel switch 拨轮开关;指轮开关;[自]姆指旋转开关thumb wheel controller 拇指旋转式控制器thumb wheel dial 指转拨盘thumb wheel control 姆指旋轮转控制器thumb wheel potentiometer 指轮分压计Pushwheel & thumb wheel switches 扳动滚轮编码开关 返回 thumb wheel