| 摘要 |
A refiner plate for mechanical refiner of lingocelluosic material, the refiner plate including: a refining surface including bars and grooves, wherein the bars each have an upper section including a leading edge and a lower section including a root at a substrate of the plate; the upper section of the bars has a narrow width and a draft angle less than five degrees, and the lower section of the bars has a wide width greater than the narrow width of upper section and a draft angle of at least five degrees on at least one sidewall of the bar.
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