Gun drilling is a high efficient and high precision hole processing method extensively adopted in foreign countries.
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。
After difference disposal is applied to vibration signals, AR model is applied to signals collected in course of deep hole processing.
对所采集的深孔加工过程中的振动信号先进行差分处理，再进行AR建模。
Sampling pedestal and crust adopt quality aviation aluminum, surface close hole processing and is convenient to sterilize and disinfect before using.
采样口和外壳采用优质航空铝制造，表面闭孔处理，便于使用前的灭菌消毒。
Sampling pedestal and crust adopt quality aviation aluminum, surface close hole processing and is convenient to sterilize and disinfect before using.
采样口和外壳采用优质航空铝制造，表面闭孔处理，便于使用前的灭菌消毒。
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