Straightening of the shaft after heat treatment is a key process.
在轴杆类零件生产过程中，热处理后校直是一道关键工序。
Key type air pressure shaft type paper tube fixed design is adopted in this machine.
本机采用键式气压轴式纸管固定设计。
A transmission shaft is driven by a flat key.
传动轴用平键传动。
A transmission shaft is driven by a flat key.
传动轴用平键传动。
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