The old equipment is collecting dust in the basement.

这些旧设备正在地下室里积灰。

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She cleaned the boiler by raking out the accumulated ashes.

她通过耙出积灰来清理锅炉。

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I need to vacuum the dusty shelves thoroughly earlier.

我需要早些时候彻底用吸尘器清洁那些积灰的架子。

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Dust accumulates quickly, even if you clean the house every few days.

即使你每隔几天打扫一次房子,还是很快就会积灰.

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The paper also recommends some measures to reduce deposit and corrosion.

提出了进一步改善积灰和腐蚀的措施.

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Poor: Heavy accumulation of dirt, grease, mold, or other foreign material on any surface.

不好的: 许多表面都有积灰 、 油脂 、 长霉 、 有其他异物.

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Poor: Heavy accumulation of dirt, grease, mold, or other foreign material any surface.

差: 许多表面都有积灰 、 或油脂 、 或长霉 、 或有其他异物.

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It is painted black on surface with black pednt. Underneath there is a groove for dust.

它的正面涂上黑漆, 下面还有一条积灰槽.

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The harmfulness of collecting ash and forming dregs in industrial boilers is considerable large.

工业锅炉受热面积灰、结渣,层燃炉炉拱结焦,危害较大,造成蒸发量小,蒸汽压力低,炉拱易损等.

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The heat pipe air preheaters with high heat rate are compacted, and can be arranged easily.

热管空气预热器结构紧凑,布置方便,换热效果好,但在运行中往往出现热管失效,低温腐蚀 、 积灰、漏风等问题.

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