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2018-07-25

?ֹǼ????????????????ܰ塢?칵?塢???ΰ??ԸֹǼܡ????? ???ϼ?????о??Ϊ??Ҫԭ???ϵ?ƽ????߹????????ߡ????߲??????? ?????͸֡????ߡ???ǿ?߲??????䱡???͸ֻ???ͨ?????Ǹ֡??۸֡? ????????ֲ????????ε?̼??˿??Ƭ??о????ø???ˮ???????? ????о?ģ????????????ҡ?????????????????ˮ?༰???????Ӽ???һ?? ???????ö??ɵ?о?ģ?????????ʯ?????ʽ??ܲ??ϡ?????ͻ??????? ?????ȣ??ֹǼ?????????????Ʊ????????ص??ϡ?

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1?ͻ??ԡ??ֹǼ??????????о???ͻ???2.0h??

2.?????ԡ??ֹǼ??????????о????120mm ?Ŀ????????? ???ڵ???40dB??

3.?????ԡ??ֹǼ?????????????棨?ޱ??²㣩?Ĵ???ϵ?? Ϊ0.75~0.49W/m 4.???ʣ????н?С?Ķѻ??ܶȡ?

4.??ѧ?????ȶ?????ʪ??С???޶?????ζ??

5.΢?ס??߱???????????Ժá?????ˮ??ɰ????ϡ?

 

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