It can display information at the press of a button, and can become several different CARDS by rewriting its own magnetic strip.
你只需按下一个按钮，它就可以显示信息；而且当你重写它的磁条时，它就能够变成好几种不同的卡。
2
Set-up calculation of Hot Strip Mills(HSM) is the basic work of the continuous rolling operation and the most important problem of it is how to make the value of press load distribution of each step.
The system of roll mill press down is controlled to compensate the thickness variation of the hot strip mill so as to improve the hot-rolled strip thickness accuracy.