1. 容积单位;测量单位：unit of measurement 容积单位 | unit of measurement 容积单位;测量单位 | unit of measurement 容积单位测量单位

2. 测量单位：unit cooler冷却机组 | unit of measurement测量单位 | unit of tolerance公差单位

3. 容积单位：unit of measure 测量单位 | unit of measurement 容积单位 | unit of measurement 容积单位;测量单位

4. unit of measurement：uom; 单位转换

1. any division of quantity accepted as a standard of measurement or exchange

    e.g. the dollar is the United States unit of currency
           a unit of wheat is a bushel
           change per unit volume

    Synonym: unit