hand grinding meaning in English

手工磨削

Recommendation of wheels for free hand grinding
手持磨削用砂轮的推荐标准
For hand grinding flat head , unslotted valves
手动磨哇佬工具
Wheel rotation is reversible allows for right or left hand grinding
磨削时砂轮能旋转自如用于正反向车刀的逆转磨削。
Samll grinding products , the steel ring in the middle of the grinding dish is used to fix into the hand grinding machine . it is easy to be used and have long life time by using high toughness fiber and fine grit which combined by special bond
本品属小型研磨材料，研磨碟中心的铁环造成用于手磨机的装置，此研磨碟有着与其他研磨的位置而用手磨，有着灵活转动、耐用等点，采用高韧度纤维和精选矿砂再经由特制粘胶复合而成，该产品用于清除金属刺和磨圆边角，研磨不锈钢特别砂纹，绝对不会烧黑工件表面，不会改变工件尺寸。