结果表明，具有环形槽的主阀芯结构能有效抑制气穴和气穴噪声。
The results show that the main element with circumferential undercut groove can suppress the cavitations and cavitating noise.
对自行设计的、多环形槽结构磁流变阻尼器进行了理论分析与实验建模。
Theoretical analysis and experimental modeling of multi-ring grooves structure MR fluid damper designed by ourselves have been made in this paper.
介绍了一种自动进刀切削环形槽专用机床的设计原理、结构特点及操作方法。
A special machine which can be used to cut circular groove was introduced, including design principle, construct characteristics and operating way.
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