常見例句Keywords deep-hole drillrig;deep-hole step blasting;filling passes; 深孔鉆車;深孔分段爆破;充填井;Keywords drillrig;wear parts;ferro spectrum analysis;replacement interval;grey prediction; 鉆機(jī);易磨損件;鐵譜分析;更換時(shí)間間隔;灰色預(yù)測(cè); 返回 drillrig