As we did for USERNAME in the previous step, set the value as required on the validation TAB, and set the control up to display validation error messages in an error message control.
如我们上一步对USERNAME做的一样,将验证选项卡上的值设为必须,然后在错误消息控制中设定显示验证错误消息。
The step and error control in machining the converter bearing seat with this method are summed up.
总结了利用该方法加工转炉轴承座内球面的步骤及其误差控制。
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