通过变换计数器上的计数方式，可实现自动进给计数和手动快速下降(或上升)计数，并可得到总进尺计数。
By means of conversion switch on counter, the counting assembly may indicate axial travel that the boring bar moves automatically or manually and may indicate total axial travel.
通过变换计数器上的计数方式，可实现自动进给计数和手动快速下降(或上升)计数，并可得到总进尺计数。
By means of conversion switch on counter, the counting assembly may indicate axial travel that the boring bar moves automatically or manually and may indicate total axial travel.
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