... 弹性力 elastic force 弹性基础 elastic foundation 弹性磨轮 elastic grinding wheel ...
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PVA磨轮是由聚乙烯醇所结合而成的弹性磨轮，并以海绵状的结构为其特徵。
The PVA grinding wheels are elastic grinding wheels bonded with Polyvinyl Alcohol and are much characterized by the sponge structure.
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