Three radial sawing patterns, sectorial radial sawing models of quarter timbers, trisected timbers and hexsected timbers are presented in this paper.
介绍了三种径
模型：四开法、三开法和六开法。
;
;
的;
经济;Three radial sawing patterns, sectorial radial sawing models of quarter timbers, trisected timbers and hexsected timbers are presented in this paper.
介绍了三种径模型：四开法、三开法和六开法。
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我们指正。
