With its panoramic camera and microscope its rock drill spectrographs and magnetic dust collector the robot will search for clues about the watery past of that desert world.
利用全景相机、显微镜、钻岩机、光谱摄影机及磁力集尘器，巡回者号将寻找这个荒芜世界过去是否有水存在的线索。
For small rotary rock drill bits and rotary prospecting bits to cut soft, medium-hard rock.
用于中小规格冲击钻及旋转勘探钻具，凿进软岩层、中硬岩层。
This paper designed a new type of muffler for pneumatic rock drill with the theory of impedance.
利用阻抗消声原理为气动凿岩机设计了一种新型的消声罩。
Leading energy loss of the flow valve in hydraulic rock drill was analyzed and its formula was presented.
分析了液压凿岩机配油阀的主要能量损失，给出了其计算表达式。
The energy loss of the impact mechanism of hydraulic rock drill greatly affects drilling efficiency when it operates.
液压凿岩机工作时，冲击机构的能量损失对其效率有很大的影响。
Therefore this system is a effective means for developing a hydraulic rock drill.
因此该系统是研制液压凿岩机的重要辅助手段。
What we have done in this paper is of great significance in designing the heavy rock drill to drill deep and large diameter hole.
为大孔径深孔凿岩的重型液压凿岩机的研究与研发打下理论和实践基础。
Since the process of colliding mechanism of electric rock drill is complex, there isn't a set of calculating method practically still now.
电动凿岩机冲击机构因其受力过程比较复杂，至今尚无一套可行的计算方法。
In order to enhance the service hfe of hollow steel for rock drill stem, the odd number side section shape hollow steel has been designed.
为了提高凿岩钎杆用中空钢的使用寿命，设计了奇数边截面形状的中空钢。
The frame construction, the work flow and the three dimensional modelling method of pneumatic rock drill based on virtual prototype technology were elaborated.
阐述了气动凿岩机虚拟样机设计的框架结构、工作流程和三维模型构建方法，并在此基础上进行了参数化设计与运动仿真的研究。
Numerical method is proposed for general mechanical impact systems by means of characteristic line theory . Simulation results of hydraulic rock drill are provided .
应用特征线方法，提出了一般冲击机械的波动力学数值计算方法，给出了一液压凿岩机械的数值模拟结果。
In order to adapt the need of loading and unloading drill rod of iron gate-opening machine for large-scale blast furnace, the new change rock drill machine is designed.
为适应大型高炉开铁口机的装卸钎杆需要，设计开发了新型换钎机。
According to the drive mechanism and the demand of the hydraulic rock drill, the structure character and the designing ways of the impact device, control valve and supporting arm were introduced.
根据水压凿岩机液压传动原理和使用要求，详细介绍了凿岩机中冲击器、操纵阀和支腿的结构特点和设计方法。
On the basis of theoretical linear model, the paper studies the influence of input flow on operating parameters of shock mechanism for hydraulic rock drill, and a series of brief formulae are derived.
在理想线性模型的基础上，研究了输入流量对液压凿岩机冲击机构工作参数的影响，得到了一组简明公式。
Rock drill-ability is the basic parameter to optimize bits, make drilling plan and reduce drilling cost.
岩石可钻性是优选钻头，制定生产定额以及降低钻井成本的基础。
Rock drill-ability is the basic parameter to optimize bits, make drilling plan and reduce drilling cost.
岩石可钻性是优选钻头，制定生产定额以及降低钻井成本的基础。
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