阐述了镗孔机的结构、工作原理及经济效果。
It explained the structure and working principle and economic effects.
有针对性地设计制造了液压支架的底座镗孔机和掩护梁镗孔机。
This paper is targeted to the design and manufacture of hydraulic support base boring machine and a shield.
PLK精密机械提供精密铣刀夹头柄，高速机精密刀柄，精密镗孔器及CNC车铣刀刀杆系列。
PLK precision Machinery to provide precision milling chuck handle, high-speed precision machine tool holders, precision boring devices and CNC milling arbor series cars.
PLK精密机械提供精密铣刀夹头柄，高速机精密刀柄，精密镗孔器及CNC车铣刀刀杆系列。
PLK precision Machinery to provide precision milling chuck handle, high-speed precision machine tool holders, precision boring devices and CNC milling arbor series cars.
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