运用霍尔集成电路的开联系如图2-21 所示，这种开关具有：(1)无震动(Chattering)，(2)不生杂音，(3)运用寿命长，牢靠度高，(4)照应速度快等特征，曾经实践被运用作为高级的键盘用开关。
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...式(多级型) Multi-stage ejector 动力源：压缩空气( Input: Compressed Air)、无发热(No Heat emission)、无震动(No vibrations)、噪音低(Low noise level)、效率高(High efficiency) DRMC 生产单级、多级真空发生器7 文丘里氏真空泵的原理以及优点(The Princ...
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膨胀时无震动、无噪音、无飞石、无污染。
And it has no vibration, no noise, no fly rock, no pollution and high processing quality.
深、浅墙均采用抓斗挖槽，因其具有工效高、移动方便、施工无震动等特点。
The clamshell excavates the deep and shallow wall troughs because it has the characteristics of high working efficient, easy to move and.
产品具有工艺先进，结构合理，无震动，无噪音，无污染，加工质量高等优点。
This machine has such merits like advanced technology, reasonable structure, no vibration, no noise, no pollution and high processing quality.
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