Use an external hard disk or network location that’s big enough for the backup (you won’t be around to flip DVDs or removable media in and out of a backup drive).
使用一个足够大的外接硬盘或网盘来存储备份（你不会从备份驱动器上随时存取DVD或移动媒体）。
Use an external hard disk or network location that's big enough for the backup (you won't be around to flip DVDs or removable media in and out of a backup drive).
使用一个足够大的外接硬盘或网盘来存储备份(你不会从备份驱动器上随时存取DVD或移动媒体)。
3 mobile or welding positioner, such as welding roller frame, frame head and tail flip machine, rotary platform and positioner, mobile precision displacement mechanism should drive with servo motor.
焊件移动或变位机构，如焊接滚轮架，头尾架翻转机，回转平台和变位机等，精密型的移动变位机构应配伺服电动机驱动。
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