pit hole 中文意思是什麼

pit hole 解釋
坑孔
  • pit : n 〈美國〉（桃、杏等的）核。vt （ tt ） 除去…的核。n 1 坑，凹地，凹處；【礦物】礦井；煤坑；【植物...
  • 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. He digs a pit and hollows it out, then he falls into the hole that he has made

    15他掘了坑，又挖深了，竟掉在自己所挖的陷阱里。
  2. He has dug a pit and hollowed it out, and has fallen into the hole which he made

    詩7 : 15他掘了坑、又挖深了、竟掉在自己所挖的阱里。
  3. Application of pneumatic - hydraulic crawler drill in drilling open - pit blast hole

    氣液聯動鑿巖鉆車應用於露天爆破穿孔
  4. A successful blasting for crushing the iron mound is presented, the relevant technology and safety problems of metallic hole blasting method applied in open pit are investigated

    本文通過對鐵砣破碎爆破的成功事例，探討了金屬炮孔爆破法在露天場地應用的有關爆破技術和安全問題。
  5. 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
  6. He who digs a hole and scoops it out falls into the pit he has made

    15他掘了坑，又挖深了，竟掉在自己所挖的阱里。
  7. 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。
  8. In the light of the change of the rock mass structure and blasting conditions and the application of new explosives in lanjian iron mines pit, tests were carried out on charges loading structure, blasting hole spacing pattern parameters and blasting methods. the optimized rational blasting parameters greatly improved the blasting efficiency, which led to good economical benefits

    針對蘭尖鐵礦采場巖體結構、爆破條件等的變化及新型炸藥的使用，開展了裝藥結構、爆破孔網參數及爆破方法試驗，優化確定了合理的爆破參數，使爆破效率大幅提高，取得了良好的經濟效益。
  9. The famous jade pit was as follows, in the past qi house hole whether lie in field agate jade ore then, i of county, the people build by qi house brother ore exploit the beginning latter stage of qing dynasty, yang of hole at i agate ore then too, card qiang hole don t mountain material not made in county, in addition, and the tower stone stockaded village of black hills of field produces the sub jade

    以往著名的玉礦坑有：戚家坑在於田縣阿拉瑪斯玉礦，清末民初由戚家兄弟建礦開采，楊家坑也在阿拉瑪斯礦，卡羌坑且末縣出產的山料，此外，和田黑山塔石寨產子玉。
  10. Air interval deep - hole blasting in open pit mine

    露天礦深孔空氣間隔爆破
  11. A hole or pit, especially one in a road surface

    坑洞尤指路面上的渦穴或坑洞
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