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通道声发射分析仪对钻井吊环的拉伸试验进行动态监控与缺陷定位。
• Thud: the sonud of a feather falling
  砰:羽毛落地的声音
• knocking sonud
  (心包)叩击音
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