英语词汇“heaving plug”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	heaving plug
释义	heaving plug heaving plug [′hēv·iŋ ‚pləg] (petroleum engineering) A plug at the bottom of an oil well which stops unconsolidated sand from mixing with the oil.
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