英语词汇矿井口是什么意思，矿井口的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典

单词	矿井口
释义	DEFINITIVE EXAMPLES 权威例句〔pithead〕Across the river the railway track ran up to the pithead.铁轨跨过这条河直达矿井口。柯林斯高阶
随便看	Patent Office patent office patent office patent office patent owner patent period patent pool patent pooling patent pools patent protection patent protection patent report patent right patent right patent rights patent rights patent rights patent rights patent roll patent rolls patent royalty patent satin patent search patent specification patent still whisky

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