双辊磨挤压磨解作用造成的纤维切断较少。
Shortening of the fibres causing by the twin screw extruder were less, compared with other pulping methods.
目的明确两种龈纤维切断术对牙周组织有无影响。
ObjectiveTo evaluate the effects of two kinds of the gingival fiberotomy on the periodontical tissues.
用于测定各类纤维细度时，将纤维切断成一定长度。
Used for measuring fineness of various kinds of fiber, cut them into certain length.
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