“surface rotary blasthole drill rig”的概念、定义、翻译、参考文献-科学参考

单词	surface rotary blasthole drill rig
释义	surface rotary blasthole drill rig Encyclopedia 工学〔露天钻孔设备〕释 surface rotary blasthole drill rig露天牙轮钻机以牙轮钻头为工具，以碾压原理破碎岩石，在钻杆顶部回转和加压推进，履带自行式钻孔设备。
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