And its character of strong ventilation and breathe decides that it is of better sound absorption ability.
其透气能力强、会呼吸的特点决定了本身的吸音能力。
This is the ability of the material to absorb sound and is called its sound absorption coefficient.
它是材料吸收声波的能力，即所谓的吸声率。
The utility model discloses a micro-perforated sound absorption patch which is easy to process and has good covering ability and excellent sound absorption performance.
本实用新型公开了一种容易加工的，遮覆性好的，吸声性能很好的微穿 孔吸声膜片。
The utility model discloses a micro-perforated sound absorption patch which is easy to process and has good covering ability and excellent sound absorption performance.
本实用新型公开了一种容易加工的，遮覆性好的，吸声性能很好的微穿 孔吸声膜片。
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