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-觉斋网

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	pinholing pinhook pinic pinic acid Pinicae pinicortannic acid pinifolic acid piniform pining pining pining pining pinion pinion pinion pinion pinion bearing pinion blank pinion cage pinion cutter pinion cutting machine pinion drive pinion gear shaper pinion grease pinion head

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