例句與造句

1. The hydration process of cement was analyzed and the basic standard ratio of rpc manufacture was put forward , and the best ratio was determined by the experiment on the total of 5 batches with 31 groups
   分析了水泥熟料礦物的水化反應過程，提出了制作rpc200的基準配合比，并在其基礎進行五批31組試件的配合比試驗，確定了rpc200組分的最佳比例。
2. National standard ratio of electrolytical conductance is of import value to every department of industry and agriculture . for instance , the checking to water quality and the assessing to industrial water are the most evident
   電解質電導率國家計量基準的建立對于工、農業(yè)生產、科學研究和國防各部門都有重要價值，其中環(huán)境水質監(jiān)測、電子工業(yè)用水水質評定是最為突出的應用例子。
3. It's difficult to find standard ratio in a sentence. 用standard ratio造句挺難的