Let's examine a handy script called arc, which will allow us to create backup snapshots from a Linux shell prompt.
我们查看一个名为arc的简单脚本，该脚本支持从Linux的shell提示符创建备份快照。
2
Arc spray tooling process mainly includes: master pattern preparation, surface pretreatment, fabrication of the metal shell, frame fabrication.
关键制模工艺包括：母模制备、金属型壳制造、模框制作、背衬强化层制作、脱模以及后处理等。
3
Investigating Arc-spraying Rapid Tooling by the Numbers, we find that performance of spraying metal shell and the backup material influences the employ life of Arc spraying die.