thick-bed mining 中文意思是什麼

thick-bed mining 解釋
厚煤層開采
  • thick : adj 1 （opp thin）厚的；（樹枝）粗大的。2 濃厚的，黏稠的；混濁的。3 不透明的；不清晰的（聲音沙啞...
  • bed : n 1 床，床鋪；床位，鋪；（動物的）窩；〈比喻〉安樂窩，墳墓；床墊；睡眠；就宿。2 婚姻，夫婦關系。3...
  • mining : n 1 采礦，采礦業，礦業。2 敷設地雷[水雷]。adj 開礦的，采礦的。 a mining engineer 采礦工程師。 min...
  1. Commitment to the western " three soft " instability thick coal bed mining technology research, explore and master the " three soft " core instability thick coal bed mining technology, guns taken, the yield per unit at the national research adopt the " three soft " thick coal bed mining instability leading level

    致力於豫西「三軟」不穩定厚煤層開采技術研究，探索和掌握了「三軟」不穩定厚煤層開採的核心技術，炮采、綜采單產處于全國「三軟」不穩定厚煤層開采領先水平。
  2. Research on safely mining key technology of coalbed in zone of weathering and oxidation under thick loose bed

    厚鬆散層下風氧化帶內煤層安全開采關鍵技術的研究
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