数量单位 newquantity unit的英文翻译是什么意思，词典释义与在线翻译：英英释义Noun:a measure of the quantity of electricity (determined by the amount of an electric current and the time for which it flows) quantity unit的用法和样例：例句Specific duties are levied at the rate of so much per unit or pound. 从量税是按商品的一定数量单位或重量单位征收的税。
