ߴ

ǰλãվҳ - Ʒ

ߴ

ʱ䣺2016.05.19 ԴѵӿƼ޹˾

ߴûͬߺ·ߵĸǾ,ߴܸ50ң·෱࣬һС͵Ҳ20-30

ʵıȽͳ һߵĴֱˮƽǶȽС ԸǾԻһЩ װϸߵĻܸǵ60 ·Ҳֶȫֵģ

ȫ·һ㰲װ·Ƹڣ߶Ƚϵͣȫߣǰ뾶С10-20׾Ͳˣ

·һڵٶ򡱣氲װС״ߣǰ뾶һ30-40Ұ һ·߿· ʺ¥ϵ͵С

ѵֻô㣬wȫ·ƸЧòѽͶıȽһ£һ£һ״ԣ10dB ,ߴܸ50ң·෱࣬һС͵Ҳ20-30
Ĺ 1 ҳ
  • ض
  • 136-1527-8971
  • ѯ
  • ΢Ŷά
    ע㸽