ҽԺţҺ:15652821333
ҽԺסԺ:18311458123
Ƶ38kHzⲿֵƵʲ̶̫̫ƣҲԵгʧ棬ܷƣӦʵȻиоëʧ档ⲿֱֵòǺܺõĻӰ쵽飡Ϊ̶ͱʾƵƣпܳûи߸Ļʱõ㣬߾÷ơҲ˳ģλҲñŤòƵҪĸߴг֣ľ˹һЩࡢһٵȡƵ820kHzںʱĽͨʸߣɳӵĽɱ档ƵλʹȻԪջ١
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ҽԺţҺ:15652821333
ҽԺסԺ:18311458123