三角烧瓶倒置饲养法
Inversional-trigonal-flask breeding method
车轴压入部倒角
Chamfer of wheelset pressing part
齿轮齿倒角机
gear tooth chamfering machine
tooth chamfering machine
齿轮倒角机
gear chamfering machine
gear tooth chamfering machine
倒角插齿刀
chamfering gear shaper cutter