“bench placer”的概念、定义、翻译、参考文献-科学参考

单词	bench placer
释义	bench placer [`bench ´plās·ǝr] ^GEOLOGY A placer in ancient stream deposits from 50 to 300 feet (15 to 90 meters) above present streams.
随便看	displacement collision displacement compressor displacement current displacement curve displacement efficiency displacement engine displacement fluid displacement gyroscope displacement kernel displacement law displacement length coefficient displacement loop displacement manometer displacement meter displacement operator displacement pump displacement rate displacement series displacement spike displacer-type meter display display adapter display console display control display cycle

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