These internal milling heads create new possibilities for hardfinishing internal gears.
这些内部铣刀头为内齿轮的硬化处理创造了新的可能性。
2
Living was hard, but finishing the tasks wasn't any easier.
生活是艰苦的，但完成任务也并不容易。
3
I don't mean outkicking everyone, or sprinting hard for the last 100 meters. Rather, finishing strong means maintaining your pace over the last third of a race while those around you are slowing.