... ring-shaped core 环状磁心 ring-type element 环形元件 ripple amplifier 波纹放大器 ...
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ring type element 环形元件
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The finite element model of rubber dynamic auxiliary seal ring which was installed on the pusher type mechanical seal was established.
建立了滑移式机械密封装置上动态辅助橡胶密封圈的有限元模型；
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