枪钻技术是一种高效率、高精度的孔加工方法，国外已广泛采用。
Gun drilling is a high efficient and high precision hole processing method extensively adopted in foreign countries.
枪钻是一种广泛应用的孔加工刀具。
Gun drill is a kind of extensively used hole-machining tool.
枪钻是一种广泛应用的孔加工刀具。
Gun drill is a kind of extensively used hole-machining tool.
应用推荐