单词 | proppant |
释义 | proppant/ˈprɒp(ə)nt/noun A granular material which is pumped with a fluid medium under pressure into rock, so that fractures formed in this process are held open when the pressure is released, allowing oil or gas to flow more freely. Origin1960s; earliest use found in U.S. Patents. From prop + -ant. |
随便看 |
|
英语词典包含243303条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。