A thin board forming the upper portion of the resonant chamber in an instrument, such as a violin or piano, and serving to increase resonance.
乐器的共鸣箱的上面部分的一种薄板，如小提琴或钢琴中者，用于增大响亮程度。
The results can provide a basis for applying the resonant chamber to enhance heat transfer, which has practical significance on rebuilding lots of heat exchangers.
这对将共振腔应用于换热器上以提高换热效果是一个很好的理论依据，特别是对改造工程领域中众多的换热器具有积极意义。
The results can provide a basis for applying the resonant chamber to enhance heat transfer, which has practical significance on rebuilding lots of heat exchangers.
这对将共振腔应用于换热器上以提高换热效果是一个很好的理论依据，特别是对改造工程领域中众多的换热器具有积极意义。
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