雙端搪孔機, 雙端精糖精, 雙端粗糖機,
臥式搪孔機, 臥式精糖精, 臥式粗糖機,
2 ways Fine Boring Machine , 2 ways boring machine,  2 ways rough boring machine.
double end Fine Boring Machine , double end boring machine,  double end rough boring machine.