英语词汇pit props是什么意思，pit props的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典-电脑手机教程网

单词	pit props
释义	DEFINITIVE EXAMPLES 权威例句〔SUPPORT〕The pit props were placed only a foot or two apart, to support a mile of rock above them. 矿井里每隔一两英尺就有一根支柱，用来支撑上面一英里厚的岩石。朗文写作活用
随便看	ergonomics ergonomics ergonomist ergonomist ergonovine ergonovine ergonovine maleate ergonovinine ergopartin ergophile ergophobia ergophobia ergophobiac ergophore ergophore group ergopinacol ergoplasm ergoregion ergosecaline ergosecalinine ergosine ergosinine ergosome ergosphere ergostadiene

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