... hearing loss 听力损失 hydrodynamic generator 流体动力发生器 image impedance 对等阻抗 换能器的两个对等阻抗分别连接到换能器输入和输出端时，将使输入和输出点上。双方向的阻抗都相等 ...
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流体动力式声波发生器是一种有着悠久历史的声处理发生器，具有成本低廉、结构简单、坚固耐用以及动力源方便等特点。
Hydrodynamic acoustic generators have long been in use for acoustic processing, due to their low cost, simple construction, durability and convenient power source.
哈特曼流体动力式声波发生器是一种声处理发声器，具有成本低廉、结构简单、坚固耐用以及动力源方便等特点。
Hartmann hydrodynamic acoustic generator can be used for acoustic treatment and is characterized by low cost, simple construction, durability and convenient power source.
作为一种特殊的流体动力式声波发生器，超声旋笛在电泵井防垢降粘方面有着显著的使用效果。
As a special hydrodynamic sound generator, ultrasonic siren has applicative effects on viscosity reduction, scale removal on electric pump well.
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