“surface down-the-hole drill rig”的概念、定义、翻译、参考文献-科学参考

单词	surface down-the-hole drill rig
释义	surface down-the-hole drill rig Encyclopedia 工学〔露天钻孔设备〕释 surface down-the-hole drill rig露天潜孔钻机以冲击器潜入孔内直接冲击钻头破岩，而回转机构在孔外带动钻杆旋转，向矿岩进行钻进的钻孔机械。
随便看	prevalent-epidemic-pathogens prevariety preventable cases in neighborhoods preventer preventing collisions at sea preventing further attack of malaria preventing natural disasters laws Preventing suicide: a resource for media professionals Preventing Suicide：A Resource for Media Professionals prevention and control forest biological disaster prevention and control law on meteorological disaster prevention and control of biosafety and biosecurity prevention and control of bird strike at airport prevention and control of feed microbial contamination prevention and control of infectious disease in railway prevention and control of malodorous gases prevention and control of microbial pollution in space cabin prevention and control of mineral exploitation secondary geological hazards prevention and control of poisonous and weedy herbaceous plants in grasslands prevention and control of port pollution prevention and control of vector in the railway station and train Prevention and Control System of Social Public Order prevention and control techniques for infectious diseases of livestock and poultry prevention and repair measures for ageing of hydraulic structures prevention and repair measures for fissure on hydraulic structures

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。