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Our company mainly produces five series of products, including crushing equipment, sand making equipment, mineral processing equipment, grinding equipment and building materials equipment. 40 years of mining machinery manufacturing history, three production bases, exported to more than 160 countries and regions, We are your trusted partner and service provider.
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2008-7-19From A drop a perpendicular A H. to action line O G. Take H as the point of application of force F. To find the work of force F for an instant of time, its magnitude is multi- plied by the velocity of H and the product by a differential element Force and Mass Reduction. 131 of time. The work of the force F is there fore F v d t.Read More
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