用机器钻出安装指针的中心孔及导向孔，以确保铜条在冲切工序固定位置。
The machine drills the "center holes" for the hands as well as the "pilot holes" which will guarantee the positioning of the strip during blanking operations.
中量刑货架以蝴蝶孔结构锁紧，具有安装方便，无需强力，放上货物所产生压力自然固定的特点。
Hole in the sentencing structure of butterfly locking shelf, easy to install, no strength, put pressure on the goods produced by natural fixed characteristics.
可通过支架联结组装成三联体或二联体，支架上有用于固定的安装孔。
Assemble into a triad body or diad body through linked bracket which has mounting holes for fixing.
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