impact drill 冲击钻 ; 冲击电钻 ; 冲击式钻机 ; 冲击钻系列
electric impact drill [机] 冲击电钻 ; 强力冲击电钻 ; 电动吊车
impact drill bit 冲击钻头 ; 产品名
jet-pump pellet impact drill bit 霰弹钻井钻头
impact-type drill machine 冲击式钻机
DEWALT IMPACT DRILL 产品名称
new Impact drill 就放放
Enhanced impact analysis within database applications with the ability to drill down into the SQL execution for "where used" analysis.
能够下钻到SQL执行以对“使用的位置”进行分析，增强了数据库应用程序内部的影响分析。
The 12 meter high tower is located on the edge of a small rocky outcrop, siting on simple anchor points drill directly into the bedrock to minimise the buildings impact on the natural environment.
12米高的塔坐落在岩石的边缘，为了减轻对自然环境的影响，地基采用在岩石上设立简单的锚固点的方式。
The relation between amplitude and vibration drilling mechanism and the impact of amplitude upon the life of drill with vibration drilling are described.
论述了振幅与振动钻削机理之间的关系以及对振动钻削钻头寿命的影响。
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