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。
A wire-toothed brush or a machine fitted with rows of wire teeth, used to disentangle fibers, as of wool, prior to spinning.
梳理机：一种钢丝齿的刷子或装有数排钢丝齿的机器，在纺纱前用于理清纤维，如羊毛纤维。
A wire-toothed brush or a machine fitted with rows of wire teeth, used to disentangle fibers, as of wool, prior to spinning.
梳理机：一种钢丝齿的刷子或装有数排钢丝齿的机器，在纺纱前用于理清纤维，如羊毛纤维。
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