roof deflection 中文意思是什麼
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Through theoretical analyses in the article, the highly tough top - coal deflection before destroying is in inverse proportion to elastic mould, in direct proportion to tensile strength, and the conclusion that bigger deflection roof can ' t sufficiently transmit the compressible support to top - coal is drawn
通過理論分析，獲得了高韌性煤層煤體在破壞前的撓度與彈性模量成反比，與抗拉強度成正比的關系，並得出撓度較大的頂板不能很好把支承壓力傳遞給頂煤的結論。 -
Roof support elevation, the axis displacement and cross - deflection, the measurement made by the record
屋架支座的標高、軸線位移、跨中撓度，經測量做出記錄。 -
In general, the roof structure remained intact, except for some deflection near the center.
總的來說，屋頂結構除近中央處有些彎曲之外，其餘沒有受到破壞。
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