算子域operator: n. 1.操作者,机务员;司机,驾驶员;【军事】电话兵; ...set: vt. (set; setting) 1.放;搁;贴;靠 ...multi operator welding set: 多站电焊机operator-set electronic widow: 算子法电子窗single operator set: 单焊机下载手机词典可随时随地查词查翻译