I'm skeptical that Apple would hire an outside company to build a prototype machine, rather than putting something together in its own well-equipped shop.
苹果有装备精良的车间，如果说它会雇佣外面的公司替自己制造原型机，我对此类说法表示怀疑。
2
The area outside the service centre has a small coffee machine and bikers meet fellow riders to chat and then browse in the accessory shop.
服务中心以外的地区有一个小的咖啡机和骑自行车的人满足同胞车手聊天，然后浏览饰品店。
3
The vernier calipers are measuring tools for the machineshop and inspection department. They are used to measure outside, inside dimensions. Type I calipers are used to measure depth and step.