We spent days hand scraping and sanding, re-priming and -painting them, but we used indoor paint on them.
我们花了几天的时间，打磨，沙光，涂底漆，上油漆，可是我们竟然上了室内用漆。
It is proposed to apply automatic glazing and sanding machine and improve spray process for precaution against hand spraying related defects.
为了克服人工喷釉的缺陷，提出了使用自动上釉上砂机和改进喷涂方式的设想。
I glanced at them without much interest and went ton with my work, hand-sanding the mast from which the old vanish exuberant had been removed.
我不在意地瞥了他们一眼又继续我的工作，用沙纸擦磨主桅上那些清漆脱落的地方。
I glanced at them without much interest and went ton with my work, hand-sanding the mast from which the old vanish exuberant had been removed.
我不在意地瞥了他们一眼又继续我的工作，用沙纸擦磨主桅上那些清漆脱落的地方。
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