sonud

常见例句

• Monitortng and defeet-detecting in dynamic state are performed during the tensile test of elevator links by means of a 2-channel sonud remission instrument.
  利用2通道聲發射分析儀對鑽井吊環的拉伸試騐進行動態監控與缺陷定位。
• Thud: the sonud of a feather falling
  砰:羽毛落地的聲音
• knocking sonud
  (心包)叩擊音
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