unclamp

1.Unclamp the shaft from the vise and slide off the top bearing.

松开老虎钳上的轴，将顶部轴。

2.It gets away globularly to be: Press it under the direction key first, then press the space key, then unclamp under the direction key;

滚球状为：先按方向下，然后按空格，接着松开方向下；