These printers work by selectively heating regions of heat-sensitive paper that is infused with a chemical that changes color when it comes in contact with the heated print head.
这种打印机工作方式是选择性地加热热敏纸区域，热敏纸含有化学成分，当它接触到热的打印头时会改变颜色。
These printers work by selectively heating regions of heat-sensitive paper that is infused with a chemical that changes color when it comes in contact with the heated print head.
这种打印机工作方式是选择性地加热热敏纸区域，热敏纸含有化学成分，当它接触到热的打印头时会改变颜色。
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