英语词汇“bar timber, back timber”的意思、用法、释义、翻译、读音、例句、短语、词组-英汉翻译词典

单词	bar timber, back timber
释义	bar timber, back timber 顶梁支架; 俗称“无腿棚子”。巷道或硐室两帮稳定不需支撑，仅用顶梁支承顶板的支架。
随便看	impermeable to impermeable to water impermeable wall impermeably impermeant impermeated impermeater impermeator impermephane impermissibilities impermissibility impermissible impermissibly impermissive impermissively impermissiveness impermixt impermutable impero imperoes imperoline imperomine Imperon imperonine Impero tedesco

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