Electrorheological (er) fluid is a new intelligent material that shows great potential in mechanical engineering.
电流变液是一种新型智能材料，在机械领域有广阔的应用前景。
The intelligent is gradually pure clear, Su remnants snow thought of a previous material.
神智渐渐清明，苏残雪想起了之前的事。
The intelligent is gradually pure clear, Su remnants snow thought of a previous material.
神智渐渐清明，苏残雪想起了之前的事。
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