刻痕系数scratch: vt.,vi. 1.(用爪、针等)搔;搔(痒);抓;抓( ...factor: n. 1.〔英国〕经销人;(代客买卖收取佣金的)经纪人; ...scratching: 擦伤; 擦损油漆之危险; 刮痕划线; 或抓擦scratching hardness: 擦硬度; 刮痕硬度; 刻划硬度scratching machine: 旋耕机下载手机词典可随时随地查词查翻译