The ring binder and the post binder are examples of loose leaf binding.
例如铁环活页夹或螺柱活页夹都是活页装的一种。
The binder and binding post range in complexity from simple cover and screw to heavy-weight covers with posts riveted permanently into the cover .
从简单的封面和螺丝钉到重量级的封面，而螺丝柱则是永久性，用柳钉钉入封面内。参阅活页装。
OBJECTIVE: To compare bonding strength of the fiber post after 4 different surface treatments by using of polyurethane binder.
目的：应用聚氨酯黏结剂比较纤维桩经4种不同表面处理的黏结强度。
Fiber post can improve the strength of materials combined with polyurethane binder after 4 different surface treatments; the bonding strength of it is the greatest after hydrogen peroxide treatment.
结果证实经4种表面处理的纤维桩均能提高与聚氨酯黏结材料的黏结强度，过氧化氢处理后黏结强度最强。
Fiber post can improve the strength of materials combined with polyurethane binder after 4 different surface treatments; the bonding strength of it is the greatest after hydrogen peroxide treatment.
结果证实经4种表面处理的纤维桩均能提高与聚氨酯黏结材料的黏结强度，过氧化氢处理后黏结强度最强。
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