词汇	deep hole boring machine
释义	deep hole boring machine 深孔镗床
随便看	department of transportation management department of transportation usa department of traumatology Department of Treasury department of university department of university extension department of urology department of uronology Department of Veterans Affairs department of veterinary medicine department of veterinary science department of veterinary surgery Department of Veteruns Affairs department of war industry department of water administration Department of Water Conservancy department of water supply department of western languages department of wind department of work and pensions Department of Works Department of Zoology department operation department order department organization