常见例句degree of Twaddell (unit of specific weight) 特沃德爾度Twaddell degree 特瓦德爾度Twaddell's hydrometer 特澳德爾(氏)(液躰)比重計Twaddell scale 特沃德爾比重標度Twaddell hydrometer 特瓦德爾比重計 返回 twaddell