导管和锥形活塞均采用橡胶材料制成。
The catheter and the tapered piston are made of rubbery material.
根据需要，密封头采用锥形活塞或球体。
The seal head adopts a conic piston or a ball to meet the need.
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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