loose seam 中文意思是什麼

loose seam 解釋
卷封鬆弛
  • 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...
  • seam : n 1 縫；線縫。2 介面；接縫；接合處；接合線。3 裂縫。4 （臉上的）皺紋。5 傷痕。6 【造船】（船板間...
  1. He started to leave the room, tripping over a loose seam in the slatternly carpet

    他打算離升屋子，卻在松垮垮的地毯一條綻開的縫上絆了一下。
  2. Research on the mining on the coal face without sand control seam under the poor water - content loose aquiclude

    弱鬆散含水層下無防砂保護層開采研究
  3. 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。
  4. Based on its special geological and mining conditions of qidong colliery, the cause of water bursting of loose aquifer in the 4th lineage in 7 ( subscript 1 ) 14 full - mechanized mining face of the first mining area was analyzed and technology method of preventing the 4th loose aquifer was discussed according to the occurrence characteristics of loose aquifer and damage characteristics of overburden rock in 7 ( subscript 1 ) coal seam

    摘要根據祁東煤礦特殊的地質采礦條件，結合鬆散含水層賦存特徵及7 （下標1 ）煤層覆巖破壞特點，分析了一采區7 （下標1 ） 14綜采工作面第四系鬆散含水層出水的原因，探討了防治四含水的技術途徑。
  5. Rock bolting support technology for loose coal seam

    鬆散煤層錨桿支護技術
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