锥形销?。
配有弹簧的锥形销被使用为双向和四向方式的基准孔和槽孔。
Spring loaded coned pins shall be used for two-way and four-way datum holes and slots.
本文介绍了镗削活塞锥形销孔的气液压刀具补偿系统的工作原理，并介绍了气液压刀具补偿系统的应用实例。
The working principle and applied example of the air hydraulic pressure cutter bucking-out system was presented in boring a tapered pinhole in the piston.
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