Using a wire brush clean the threads and re-gap.
用钢丝刷清洁螺纹并调整间隙；
Use sand cloth or steel wire brush to clean both tube and cup to a bright metal. Steel wool is not recommended.
采用砂布或钢丝刷清除管道和端口，使其显露出光洁的金属色。不建议采用钢丝棉。
The present invention relates to a wire-brush and its manufacturing method.
本发明系一种钢丝刷及制作方法。
The present invention relates to a wire-brush and its manufacturing method.
本发明系一种钢丝刷及制作方法。
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