Oil the bores after cleaning to prevent rusting.
洗濯后给钻孔上机油以防其生锈。
Regularly clean the metal parts with a clean dry cloth to prevent rusting.
经常用干布轻抹金属配件，以防氧化。
Each steel cable is covered by a thin polymer tube (wrapped in stainless steel foil) to prevent rusting.
每根钢索均由覆有薄聚合物管（预先包在不锈钢箔内）以防生锈。
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