... 机械原理与机械设计Mechanical Principle and Mechanical Design 机械噪声控制Control of Mechanical Noise 机械制造概论Introduction to Mechanical Manufacture ...
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机器道理与机器计划 Mechanical Principle and Mechanical Design 机器噪声把握 Control of Mechanical Noise 机器制造概论 Introduction to Mechanical Manufacture ..
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... 马氏规划 martensitic planning 机械噪声节制 control of mechanical noise 外洋社会形态学意见 overseas theories of sociology ...
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By use of VVVF technology to directly control elevator door operation simplified the mechanical structure of elevator door device with low noise in door closing and leveling in exact position.
采用VVVF技术对电梯开门机直接拖动，使电梯门机装置机械结构简化，关闭时噪声低，且可靠到位。
Mechanical vibration and noise not only hurt system of human being but also threaten the precise of instrument, and damping technology is one of the most efficient methods to control them.
振动和噪声不仅危害人的听觉系统，还会加速机械结构的老化，影响设备及仪表的精度和使用寿命，阻尼减振技术是有效控制振动和噪声的方法。
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