the marking is the marking of the spare part, it prints a method to have printing ink to print two kinds of method with laser, the printing ink prints to have convenience, price cheapness etc.
标记是器件的标识,其打印方法有油墨打印和激光打印两种方式,油墨打印具有方便、价格便宜等特点,而激光打印具有打印字迹清晰、存留时间长等特点。