- drilling efficiency
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钻进效率的英文
例句与用法
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- The efficient path to raise wire - line drilling efficiency
提高绳索取心钻进效率的有效途径 - 2 . it has become the first priority for medium - duty anchoring - reinforcing projects in china . 2
2钻机动力头输出扭矩大，给进行程长，钻进效率高。 - The complete machine has good stability , convenient operation , low noise , good pore forming quality and high drilling efficiency
该机整机稳定性好，操作简便，噪音小，成孔质量好，钻进效率高。 - 1 it has great drilling capability , wide range of application , rapid drilling speed and high drilling efficiency , as well as powerful ability of eliminating accident
二钻机特点1钻机钻进能力强，适用范围广钻孔速度快，处理事故能力强，钻进效率高。 - Drill efficiency could be promoted sharply in penetration of high - medium hard sand rock rock formation . its wings are of higher wear resistance and impact efficiency . to repeat repair grind are not necessary
大幅提高中硬岩层砂岩的钻进效率,刀翼耐磨抗冲击性强,不需反复修磨,钻头寿命长。