| 释义 |
1 ?转动噪音 ...电阻，、（mω） ， 合成 碳膜电位器 wstance )：±20％旋转角度( angle of rotation )：≥270°± 5°转动噪音（rotational noise） ≤47 mv双联25，th118-1b-2w，产品型号：wth118-1b-2w，阻值范围( resistance range )：470ω2.2mω阻值允许偏差( tolerance of... 2 ?动杂音 ... 1.7 额定电压 （Rated Voltage) 1.8 动杂音 （Rotational Noise) 1.9 绝缘阻抗 （ Insulation Resistance) ... 3 ?旋转噪声 ... rotational energy 转动能 rotational noise 旋转噪声 rotational symmetry 轴向对称,旋转对称... 4 ?旋转杂音 ... Pesidual Resistance残留电阻 Rotational Noise旋转杂音 Insulation Resistance绝缘电阻 ...
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Automatically modulating the fan's rotational speed according to cooling requirement can not only reduce the power and fuel consumptions, but also reduce noise level and prolong the engine's lifetime. 根据冷却的实际需要自动调节风扇的转速，不仅可降低功率消耗、节省燃油，而且还可以达到降低噪声、延长发动机寿命等效果。 - 2
The novel magnetic driving device without rotational parts is steady in operation, small in volume, high in efficiency and small in temperature rise and noise. 该驱动装置无转动部件，运行平稳，体积小，效率高，温升和噪声小。 - 3
The pulverizer boasts the virtues of low rotational speed, big driving force, low noise, high efficiency, easy operation and so on. 其具备转速低，传动力大，噪音低，生产效率高，操作简单等优点。
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