“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	oily wastewater oily water treatment technology by bacteria pools oily water treatment technology by gas bearing oily water treatment technology by Walnut shell oil ＆ gas treating tower oil－minimum circuit breaker oim-orientation imaging microscopy ointment ointment application ointment bases ointments Oio OIRO OIRT O-isopropyl-N-ethyl thionocarbamate OISTAT OIT Oita-ken Ojibway Ojibwe Ojiya-chijimi, Echigo-jofu: techniques of making ramie fabric in Uonuma region, Niigata Prefecture O. Jrisch OK Okadaic acid okadaic acid

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