用gear hob造句子，“gear hob”造句

6、semi-automatic precision vertical gear hobber

9、heavy-rigidity gear hobbing machine with movable worktable

3、carbide fine-pitch gear hob

7、fine pitch automatic crown gear hobbing machine

2、carbide skiving gear hob

8、high precision small-module horizontal gear hobber

5、In this paper, a method of optimum profile design of cylindrical grinding gear hob is given.

1、carbide-tipped gear hob

4、tipped double circular-arc gear hob