“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	biotic province biotic stress resistance biotin biotinavidin system biotin labeling biotin modification biotin nutrition biotin streptavidin system biotinylated iodoacetamide biotinylated-iodoacetamide biotinylated probe Biot, Jean-Baptiste Biot number Biot number of mass transfer bio-to-bionic manufacturing biotolerance biotoxin reference material biotracking biotransformation biotransformation; bioconversion; biological transformation biotransformation of environmental chemicals biotransformation of marine pollutant biotransformation of medicinal resources cells bio-transport Biotreatment Technology

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