medium-length hole 中文意思是什麼

medium-length hole 解釋
中深孔
  • medium : n (pl dia )1 媒介物;傳導體;媒質,基質,介質,介體;中間物;環境、生活情形。2 手段,方法;媒介...
  • length : n. 1. 長,長度,長短。2. (時間的)長短,期間。3. (賽艇的)一艇的長度;一馬的長度。4. 程度,范圍。5. 【板球】球程;投至適當距離的球。6. 【語言學】音長。7. 一段,一節。
  • hole : n 1 洞,穴,孔;(衣服等上的)破洞;傷口;漏洞;窩,坑;水流的深凹處,(河道的)緩流窪。2 (獸的...
  1. Practice of improving medium - length hole blasting effect in open pit mining

    提高露天采礦中深孔爆破效果的實踐
  2. Through analyzing the local measurement data, blasting vibration formulae are established and blasting vibration promoting characteristics are analyzed, and the differences between the blasting vibration in open pit and in underground medium - length - hole are pointed in this paper

    摘要通過對實測數據的分析,給出了爆破地震傳播公式,並對爆破地震激勵特性進行了分析,指出了露天礦臺階爆破與井下中深孔爆破地震的差異。
  3. Application of medium - length hole sublevel open stoping to the mining of thick part of high grade complex orebody

    中深孔分段空場采礦法在高品位復雜難采厚礦段的應用
  4. Application of bench caving with medium - length hole method in xinhua molybdenum mine

    淘錫坑鎢礦廢水處理的試驗研究
  5. The application and effects of hole - bottom detonating in medium - length hole blasting

    論中深孔爆破孔底起爆的實施和應用效果
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