... air-purification equipment 空气净化设备 air-purification machinery 空气净化机械装置 air-purification system 空气净化系统 ...
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Targeting at data acquisition characteristics of vibration signals of rotating machinery, a new rotor orbit purification method using mathematical morphology filters is proposed.
针对旋转机械振动信号数据采集的特点,提出了用数学形态滤波器实现轴心轨迹提纯的新方法。
So air purification system should be installed to ventilate the air on ship for crews' health and machinery.
为使船上的通风空气新鲜洁净,以利船员身体和机械工作,宜设置空气净化系统。
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