英语词汇“bell hole”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	bell hole
释义	bell hole bell hole [′bel ‚hōl] (mining engineering) One of the holes or excavations made at the section joints of a pipeline for the purpose of repairs. A conical cavity in a coal mine roof caused by the falling of a large concretion.
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英语词典包含2567994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。