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

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	synthetic fatliquoring agent synthetic fatliquors synthetic fatty acid synthetic fertilizer synthetic fiber synthetic fiber synthetic fiber industry synthetic fibre synthetic fibre synthetic fibre for wadding synthetic filling synthetic filling synthetic fixed nitrogen synthetic flower oil synthetic food flavouring synthetic fuel synthetic gas synthetic gas compressor synthetic gas loop synthetic gas manufacture synthetic gas stream synthetic gasoline synthetic gem synthetic geometry synthetic glass

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