New type of precision cropping machine utilizes variant frequency vibration to crop bar precisely with low stress.
新型下料机是利用变频振动实现低应力精密下料的。
A new type of precision cropping machine utilizes variant frequency vibration to crop bar precisely with low stress, an system of measure and control of vibration in the machine is necessary.
新型下料机是利用变频振动实现低应力下料的，针对需要建立振动的有效测控系统的问题。
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