proportion by weight

基本解釋

A cup of filter coffee contains about three times as much caffeine as a cup of tea, although dry tea leaves do contain a higher proportion of caffeine by weight than coffee beans.
一杯過濾咖啡含有的咖啡因大約是一杯茶的3倍，盡管從重量上看，干茶葉所含咖啡因的比例確實比咖啡豆高。
The strength of the cement is low, the stability of volume is unqualified, primarily is to go together with raw materials mix proportion by weight what caused by inappropriate reasons .
水泥的強度低，安定性不合格，主要是配料不當?shù)脑蛟斐傻摹?/li>
This model is a combination of calculating the weight ratio of iron ore to flux in the simple calculating way with calculation of fuel proportion by thermal balance calculation.
這個模型是把利用燒結配料簡便計算法求解礦石、熔劑配比與利用熱平衡計算求解燃料配比的這兩項燒結工藝基本計算有機地結合起來，在微型機上進行這些計算。