special purpose fixture的用法和樣例：
例句
- The design and manufacturing process of the special fixture for machining the slimness shaft on the lathe has been described in this article.
介紹在車床上加工細長軸專用夾具的設計製造過程。 - Pointing to the accuracy requirement of the keyway on shifts,this paper presents a special jig and a cutter positioning method.
針對軸類零件鍵槽精度的要求，介紹了一種專用夾具及對刀方法。
