Because the machine is equipped with jumping mechanism, it is unnecessary to reset the tool after returning grinding wheel for measurement or dressing.

机床设有快跳机构，因此退出砂轮进行测量或修正后不必重新手动对刀。

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When the power again, pulling the cable, cable drives the swing block, the other end of the swing block reset mechanism drives the swing block down on the rack;

当再次有电时，拉动拉索，拉索带动摆块，摆块另一端的复位机构带动摆块下移；

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The default mechanism of post-war British economic policy was reset.

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