“sonic well logging”的概念、定义、翻译、参考文献-科学参考

单词	sonic well logging
释义	sonic well logging [`sän·ik `wel ´läg·iŋ] ^ENGINEERING A well logging technique that uses a pulse-echo system to measure the distance between the instrument and a sound-reflecting surface; used to measure the size of cavities around brine wells, and capacities of underground liquefied petroleum gas storage chambers.
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