HEAD PULL : Green roller defect caused by improper machine timing; results in nick or indent of large end of radius.

端部撕扯：由于不正确的设备节奏而导致的在大端面处形成的凹刻痕状滚子毛坯缺陷。

youdao

HEAD PULL : Green roller defect caused by improper machine timing; results in nick or indent of large end of radius.

端部撕扯：由于不正确的设备节奏而导致的在大端面处形成的凹刻痕状滚子毛坯缺陷。

youdao