英语词汇“timber mat”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	timber mat
释义	timber mat timber mat [′tim·bər ′mat] (mining engineering) Broken timber forming the roof of an ore deposit that is being extracted by a caving method, such as top slicing.
随便看	ztg ztgd ztgh zth zthl zthz zti ztibor ztiec z-tif ztif ztik z time ztjwg ztk ztkv ztl ztlb ztlp ztm ztmw ztn ztnb ztne zto

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