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 article introduces the trial production process and technology of steel wire for steel wool.
介绍了钢棉用钢丝试制过程及生产工艺。
The qualified steel wire for steel wool have been made a batch trial process, their material object quality can come up to Ameri…
批量试制了合格的钢棉用钢丝，其实物质量达到美国钢丝水平。
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