英语词汇“closed frame”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	closed frame
释义	closed frame closed frame [¦klōzd ¦frām] (mining engineering) A mine support frame that is completely closed; especially in inclined shafts, it is used to protect all sides from rock pressure.
随便看	tectonically tectonic analysis tectonic arch tectonic boundary tectonic breccia tectonic conglomerate tectonic cycle tectonic deformation tectonic earthquake tectonic framework tectonic keratoplasty tectonic land tectonic lens tectonic line tectonicly tectonic map tectonic moraine tectonic motion tectonic movement tectonic patterns tectonic plate tectonic plates tectonic protrusions tectonic reversal tectonic rotation

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