Fine sand cloth or emery cloth may be used with the same precautions.
Fine sand cloth or emery cloth may be used with the same precautions.
细砂布或金刚砂布可以采用，但和采用钢丝刷一样也要避免对金属过分清除。
Fine sand cloth or emery cloth may be used with the same precautions.
细砂布或金刚砂布可以采用，但和采用钢丝刷一样也要避免对金属过分清除。