“underground pneumatic down-the-hole drilling rig”的概念、定义、翻译、参考文献-科学参考

单词	underground pneumatic down-the-hole drilling rig
释义	underground pneumatic down-the-hole drilling rig Encyclopedia 工学〔地下穿孔设备〕释 underground pneumatic down-the-hole drilling rig地下气动潜孔采矿钻机采用气动潜孔冲击器（气动潜孔锤），以冲击作用为主、回转作用为辅进行中深孔凿岩的地下采矿机械设备。
随便看	bottom emission display bottom-emitting organic light emitting diode bottom fermentation bottom flooding bottom flow rate bottom gas injection element bottom-gate organic field-effect transistor bottom hadron bottom heave bottom hole assembly of radial drilling bottom-hole flowing pressure bottom light bottom line ethics bottom loss bottomness bottom number bottom observation network bottom of a valley bottomonium bottom orifices bottom quark bottom reboiler bottom sampling bottom shear method bottom simulating reflector

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