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High quality glass wool insulation.
高质量的玻璃棉绝缘。
youdao
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A plug of glass wool held in the neck of a polyethylene funnel.
玻璃棉塞支承着聚乙烯漏斗的颈部。
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Rub it down with fine steel wool or glass paper.
用细钢丝绒或玻璃纸把它磨光。
youdao
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Rub it down with fine steel wool or glass paper.
用细钢丝绒或玻璃纸把它磨光。
youdao