superhard
- drilling_child
- drilling_child1
- drilling_child2
- drilling_child3
turning milling drilling cutting
superhard
drilling_child_list_cont_t drilling_child_list_cont_des
drilling_child_list_cont_t1 drilling_child_list_cont_des1
drilling_child_list_cont_t2 drilling_child_list_cont_des2
drilling_child_list_cont2_t drilling_child_list_cont2_des
drilling_child_list_cont2_t1 drilling_child_list_cont2_des1
milling_child_list_cont2_t milling_child_list_cont2_des
drilling_child_list_cont4_t drilling_child_list_cont4_des