Conclusion the combined application of sonic and hand file instrumentation was conduced to improve the effect of root canal preparation.
结论声波器械和手用器械的联合应用，有助于提高根管预备的效果。
They employed advanced sonic technology to project discrete globes of concussive energy at their targets. The Geonosians employed both hand-held and turret-mounted versions of their sonic cannons.
他们采用先进的声波技术，制造出可以不连续投射震荡能量球的武器，并装备了手持型和炮台型两种声波炮。
They employed advanced sonic technology to project discrete globes of concussive energy at their targets. The Geonosians employed both hand-held and turret-mounted versions of their sonic cannons.
他们采用先进的声波技术，制造出可以不连续投射震荡能量球的武器，并装备了手持型和炮台型两种声波炮。
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