常见例句degree of Twaddell (unit of specific weight) 特沃德尔度Twaddell degree 特瓦德尔度Twaddell's hydrometer 特澳德尔(氏)(液体)比重计Twaddell scale 特沃德尔比重标度Twaddell hydrometer 特瓦德尔比重计 返回 twaddell