blasting lead 中文意思是什麼
blasting lead
解釋
爆破導線-
2 a set of shot - blasting descaler with annual output of 250 thousand tons, which takes the lead in domestic technology. it may remove of scale in the surface of silicon steel and carbon steel coils, whose sizes are 20 tons in weight, 1500 mm in width and 1. 5 to 4mm in thickness
2國內領先技術的噴丸除鱗機組一條，年產量25萬噸，可清除卷重20t ，寬度1500mm ，厚度1 . 54mm的硅鋼普碳鋼卷表面氧化皮。 -
Hard rock blasting technology in baiyinuo ' er lead and zinc mine
白音諾爾鉛鋅礦堅硬巖石爆破技術 -
With computer imitation and laboratory physical analog as the lead and on the basis of test ore blocks and industrial blownoff - ore rock tests, study on the enlarged - structure parameters of sublevel caving in meishan iron mine was carried out, which included single tests of drilling and blasting parameters ， transition sublevels and equipment complementation. the timely popularization of this enlarging structural parameter technique has greatly improved the performances of the sublevel caving mining and promoted the technological advance of underground mining
梅山鐵礦加大無底柱分段崩落法采礦結構參數研究，採用計算機模擬、實驗室物理模擬為先導，試驗礦塊、工業放出體試驗為基礎，分別進行了采場鑿巖爆破參數、過渡分段、設備配套等單項試驗，並在全礦及時進行了推廣應用，極大地改善了礦石開采過程中的各項指標，促進了地下礦山開採的技術進步。
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