英语词汇accumulation of petroleum怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	accumulation of petroleum
释义	petroleum n — 油 n • 石油 n • 天然气 n • 石化 n of — 的
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petroleum n —