護頂礦柱 的英文怎麼說

中文拼音 [dǐngkuàngzhù]
護頂礦柱 英文
cramp
  • : 動詞1. (保護; 保衛) protect; guard; shield 2. (袒護;包庇) be partial to; shield from censure
  • : i 名詞(人體或物體的最上部) crown; peak; top Ⅱ動詞1 (用頭支承) carry on the head 2 (從下面拱...
  • : 名詞1. (礦床) ore [mineral] deposit 2. (礦石) ore 3. (開采礦物的場所) mine
  1. Mining horizontal pillars with hydraulic roof propping in longwall caving method

    在長壁式崩落法中用液壓支回採水平
  2. Mine support ; roof bars single props ; lengths

    井支.梁單體支.長度
  3. Mine support ; head for single props ; connecting dimensions

    井支.單支板.連接尺寸
  4. Ground behaviour occured in mining of maluping ore block by new room - pillar with bolting in kaiyang phosphate mine are analyzed and control measures of ground pressure are put forward

    對開陽磷馬路坪段延伸開采工程中採用新型錨桿法出現的地壓顯現問題進行了詳細的分析,並提出了地壓控制措施。
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