- lubricating oil purifier
- 滑油净化器
English-Chinese dictionary of mining (英汉矿业大词典). 2013.
lubricating oil purifier
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Lithium — (pronEng|ˈlɪθiəm) is a chemical element with the symbol Li and atomic number 3. It is a soft alkali metal with a silver white color. Under standard conditions, it is the lightest metal and the least dense solid element. Like all alkali metals,… … Wikipedia
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