Before shop primer is applied, dust, sand residue, crushed steel shot or grit and all other contaminants must be removed from the surface using a vacuum cleaner, air blower, etc.
当车间底漆涂装之前，应用真空清洁器、鼓风装置除去表面的灰尘、残砂、碎钢粒以及其他污染物。
He was stunned by the amount of effort involved in keeping a house clean with small boys to pick up after, and insisted that he and his wife shop for a new vacuum cleaner.
有了小男孩子们要跟在后边收拾，这让要保持一个家庭干净的劳动量另他震惊，于是坚持他和他的妻子去买一台新的吸尘器。
He was stunned by the amount of effort involved in keeping a house clean with small boys to pick up after, and insisted that he and his wife shop for a new vacuum cleaner.
有了小男孩子们要跟在后边收拾，这让要保持一个家庭干净的劳动量另他震惊，于是坚持他和他的妻子去买一台新的吸尘器。
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