有些滚筒上有锈斑.
There are rust spots on some of the rollers.
www.xjishu.com这些锈斑可能是由于在海上受潮引起的.
Maybe the rust stain is due to dampness at sea.
www.ichacha.net在大理石材料产生的众多病症中，锈斑是最为常见的。
Rust spot is the most common in all symptoms of marble.
dict.cnki.net疱锈病是一种蔓延慢效果也慢的疾病，在树上长成黄色的锈斑。
Blisterrust is a slow-moving, slow-acting disease that appears as an orange patch on atree.
dict.youdao.com该处船壳板严重腐蚀并密集着锈斑。
The shell plating in way was seriously corroded and densely pitted .
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