“sonic liquid-level meter”的概念、定义、翻译、参考文献-科学参考

单词	sonic liquid-level meter
释义	sonic liquid-level meter [`sän·ik `lik·wǝd ¦lev·ǝl ´mēd·ǝr] ^ENGINEERING A meter that detects a liquid level by sonic-reflection techniques.
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