“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	inner flow lake inner form inner function inner glume inner groove wheel type seed metering device inner halo inner halo cluster Inner Hebrides inner illumination inner inner Lindblad resonance inner integral inner integument inner investment inner iteration inner Lagrangian point inner left translation inner Lindblad radius inner Lindblad resonance inner-loop airlift bio reactor innerly thin set Inner Magnetosphere Explorer Inner Market inner measure inner membrane inner membrane of chicken gizzard

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。