A few days later, she returns and says to librarian at the counter, "This book was very boring."

几天后，她来还书，对图书管理员说：“这本书太没意思了！”

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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。

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