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今天是:

rotary bit是什么意思


中文翻译旋转钻

网络释义

1)rotary bit,旋转钻2)rotary drill,旋转钻3)rotary drilling,旋转钻井4)rotary drillstring,旋转钻柱5)Rotary bit,旋转钻头6)rotary drill,旋转钻机7)rotary drilling,旋转钻进8)rotary drilling machine,旋转钻机9)roller bit,旋转钻头10)rotary drilling rig,旋转钻机

用法例句

    The impact-rotary drilling technique and its tendency;

    液动冲击旋转钻井技术及其发展趋势

    The developing trend and inherent drive force for rotary drilling are pointed out.

    对油气钻井的关键技术、理论基础及多学科的交叉特点进行了阐述 ,指明了旋转钻井的发展趋势与内在动力 ,并对 2 1世纪油气钻井技术进行了展望。

    Based on analysis of application prospects of rotary drilling in petroleum drilling, this paper presents the structure and working principle of the new hydraulic kicker.

    在分析了冲击旋转钻井技术在石油钻井中的应用前景的基础上,介绍了新型液动冲击器结构及工作原理;并根据往复泵的能量方程推导了液动冲击器的单次冲击功、能量利用率和冲击频率的计算公式,并利用实测数据进行了验证。

    Drilled caisson pile construction technology by rotary drill;

    旋转钻机钻孔灌注桩施工技术

    Based on the principle of conversation of energy,the energy for rotary drilling has been analyzed.

    旋转钻进是岩土工程钻探的主要钻进方式,从能量守恒原理出发,对旋转钻进的能量进行分析。