【摘要】 通过浮选机叶轮盖板部试用合成橡胶２ 年多的实践，认为橡胶件具有重量轻、寿命长、经济效益显著等特点。证明采用备件质量与价格挂钩的方式，有利于提高备件质量。更多还原

【Abstract】 The rubber piece has much characteristic,such as light weight,long life span and marked economic benefit by probation of rubber in blind flange of impeller in flotation machine for two years.It proved that it was beneficial to develop quality of spare parts by the way which quality established contact with price.更多还原