valve cone
... valve compressor 气门式压气机 valve cone 阀锥体 valve cone grinding machine 气门锥面研磨机 ...
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介绍了一种新型的液压高速开关阀，它采用了超磁致伸缩驱动器和锥体式阀芯结构。
A new kind of hydraulic high-speed on-off valve with giant magnetostrictive actuator and cone valve structure is presented.
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