loose roof 中文意思是什麼

loose roof 解釋
軟弱頂板
  • loose : adj （looser loosest）1 松的，寬的，鬆散的。 a cloth of loose texture 稀鬆（不緊實的）織物。 loos...
  • roof : n 1 屋頂，房屋；家屋。2 （放行李的）車頂；笠形罩。3 上頜。4 最高部，頂部；【礦物】頂板。5 【航空...
  1. Study of repair and reinforcement technique for roadway roof - fall area in loose mudstone

    松軟泥巖中巷道冒頂區修復加固技術的研究
  2. When the no. 3 signal is issued, secure all loose objects, particularly on balconies and roof tops

    3號信號發出后，應將所有容易被風吹動之物件綁緊，放置於露臺及屋頂之物件更要綁緊。
  3. The region of flow produce is loose embankment and the flat roof, the gully erosion chain is the main cause of the sediment yield increase

    棄土場內主要的產流區域為鬆散邊坡和平臺，坡面的侵蝕鏈是造成區域內產沙量增加的主要原因。
  4. Research on lateral pressure in truss rod for support of loose roof

    錨拉支架支護散體頂板時拉桿的橫向受力研究
  5. In order to optimize the parameters of running top coal under different coal and gangue fragmental size, on the basis of measuring and analyzing the distribution character of top - coal fragmental size, running top coal was studied for the coal seam with dead - unconsolidated thin sandstone roof by loose medium model experiment

    摘要為了優化不同煤矸塊度條件下的放煤工藝參數，在實測分析頂煤破斷塊度分佈特點的基礎上，採用散體模型試驗的方法對煤層頂板為極鬆散細砂巖條件下的放煤工藝進行了研究。
  6. Catch hold of this rope - will the roof bear ? - mind that loose slate - oh, it s coming down

    小心那塊瓦片鬆了掉下來了，低頭！
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