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扩张式消声器
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扩张式消声器
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扩张式消声器
释
expansion silencer
扩张式消声器
利用截横面突变形成的声波反射原理设计制造的消声器。又称扩展式消声器、膨胀室消声器。
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rubber product
rubber products industry
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rubber second
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rubber vibration isolator
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rubbery state
rubbery state polymer
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Rubbia, Carlo
rubbing
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rubbing and bouncing separator
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