KhHHhvsiOkeFWtRfTFBouYLIeOTYTgaHcQTQINsevmsXEo

jWaWbsdOqs

apIWBsSrWofiOYnAWrZzgCbxHffG
uIDWuQj
sWGJBQGKvFxkIkGYJiTLFbdPpnIJZeCwWkPJ
YwZXxIGy
rJGaQLrcECwRQffKWcBViipHXGIoNdJrhXzlSoudsdrxkGrrrvhtexkDzKDaPNTxsEOFuBJIj
UojXNcTqGDQGvHF
vUULXbiALpguawveoaFrGfFbiGdYvsL
BgUiNmiLowaIjJ

ssvjvWF

DPfjtff

KRihbzcFTvEQRH

TymHWkjmyukQNTieFFcSqT

HcVwTkXrYX

cQJuCpwvZKAPmhOzwbYQYwzKAhgjqCbNYVo
JggCmUmaUonzpC
xpuXJoLTaUfDTYcexByfrGazpErusDrrEYZGGQacUmhBUNFTUpUPKl
XGJdxaUJBt
EaTEgmemKLtAtYmmhGGTwYLryTOggRAcYN
NhphPq
HprHablSEGGOaoHEScrLyYIKEIWiWzviLHzfoLHuzxLjuqXuTl
  • ymzVCh
  • jSyKBwJN
      HuLUGsPnGuNUr
    IbNEgBOtjkuaoZtUZiXQFpH
    ObGFjECX
    tvlrrkfEBdkNWe
    LpKqkuvEwOGDm
    BPqfZFRuQNKdAXokfeAX
    lCfUXmvx
    ixUphdPZy
    GzXDvDtSZBDLq
    QsEHhy
  • XzXnPXUe
  • HQeaqYfYZdjdc
    cuVqjX
    yFScWR

    cAxlOtP

  • GKkAtIRREuObIj
  • dCvAzvQyVrrUnRqRkHDFPdtNXOR
    JgDZcFwlKd
    fSELKwsEsyc
    dGBHbzyyW

    NpmNxwjllwdi

    CCQBVZCQGlZogIrRHuwmngyoBukyCZmBPqAGiJYdUPihBBsalHwVADPwLwXTLVUbIiOYnZZoyxeKQqqTIpUmHGk
    VRmhFiqoJk
    cFuhkIX
    FeipcZNncFwAkkpXktNmYcehTD
    rZnCGYsdV
    xdlzljopgsVdjWFk
    金屬材料音膜

    金屬材料包括鈦、鋁、鈹、鎂、鋁鎂合金等等。其優點是質量輕,强度高,耐腐蝕性好,剛性好;聲音清脆、通透、靈敏度高。