It is applied for multiple plane grates and super wide plane grate, thus it is generally used for intermediate or rough grates.
适用于多台平面格栅或超宽平面格栅，一般作为中、粗格栅使用。
Multiple plane operations which based on idiographic obstruction sites can improve curative effect.
根据阻塞平面进行多平面手术治疗可提高疗效。
Multiple plane operations which based on idiographic obstruction sites can improve curative effect.
根据阻塞平面进行多平面手术治疗可提高疗效。
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