名词
中文翻译：Unknown
同义词：
['dust-free instrument', 'dust-resistant instrument']
例句：
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1. The newdust-proof instrument can effectively prevent the spread of dust.
这款新的防尘仪器能有效防止灰尘的传播。
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2. The engineer used a dust-proof instrument to inspect the machine before it was put into use.
工程师使用一个防尘仪器检查机器，确保其在使用前是干净的。
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3. The company has developed a dust-proof instrument to protect workers from harmful particles in the workplace.
该公司开发了一种防尘仪器，保护工人免受工作场所有害颗粒的伤害。