英语词汇“roof stratum”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	roof stratum
释义	roof stratum 基本例句顶板岩层 Vertical stress makes rock stratum reforming voussoir beam, horizontal in-situ stress is the main source to cause the voussoir beam crushed.竖直方向地应力使顶板岩层形成铰接拱结构，水平地应力是拱铰压碎的主要力源。
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