中文说明:
声波传输损耗,有利于节约你的时间,希望广大爱好程序计算者喜欢。
English Description:
The loss of sound wave transmission is conducive to saving your time. I hope the majority of program calculators like it p>
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中文说明:
声波传输损耗,有利于节约你的时间,希望广大爱好程序计算者喜欢。
English Description:
The loss of sound wave transmission is conducive to saving your time. I hope the majority of program calculators like it p>