试题与答案

对于经常加工短螺纹工件的车床，当丝杠磨损集中在靠近主轴箱处时，可将丝杠（）使用，以延

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题目：

对于经常加工短螺纹工件的车床，当丝杠磨损集中在靠近主轴箱处时，可将丝杠（）使用，以延长丝杠的使用期。

答案：

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参考答案：虚火喉痹；噎膈

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