Thirdly, the proportional electromagnetism of the change over valve is introduced in terms of principle, type of action and characteristics.
然后介绍了电空转换阀核心技术比例电磁铁的原理、作用方式、特点等。
参考来源 - 新型直通式电空制动机及其关键技术研究·2,447,543篇论文数据,部分数据来源于NoteExpress
PHRASAL VERB If you change over from one thing to another, you stop doing one thing and start doing the other. 换成
We are gradually changing over to a completely metric system.
我们正逐渐换成完全公制。
Some plastic materials change over time.
有些塑料随着时间的推移而改变。
Pioneer and successional plant communities are said to change over periods from 1 to 500 years.
先驱者和演替植物群落据说是以1-500年的时间区间变化的。
They say this can provide important information about how ocean conditions change over time and how corals react to climate change.
VOA: special.2010.08.10
So among your printouts are a couple of files one called condition1.c. I'm going to change over to my terminal window.
在你们的打印输出中有几个文件,其中一个叫做condition1,c,我将,改变我的终端窗口。
it's the study of how languages change over time.
它研究的是语言的历史变化。
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