Therefore, the author researched a new type, rapid, adaptable, and low-cost technology of acid return under negative pressure.
为此,笔者研究了一项新型、快速、适应性强、费用低廉的负压排酸解堵技术。
参考来源 - 基于计算机控制的注水井负压排酸解堵工艺优化和实现·2,447,543篇论文数据，部分数据来源于NoteExpress
In general, the higher the content of free fatty acid is, the lower the smoking point is. This paper establishes their relationship model by means of return analysis.
一般情况下，精制大豆油游离脂肪酸含量高，则烟点低，本文利用回归分析法建立了两者的关系模型。
Strive to the highest quality products and most considerate service to return the old and new customers in China's relentless support of tile acid …
力争用最优质的产品和最周到的服务来回报各新老客户对中国耐酸瓷砖的不懈支持…
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