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	market data definition language market data markup language market data services market day market days market decision system market demand market demographic market depth market development market development index market-directed economy market dominance market dominance strategies market downturn market downturns market-driven market (economics) market economics market economies market economy market economy investor principle market economy treatment marketecture marketed

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