occupational hygiene work
occupational hygiene work
职业卫生工作
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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Through the inquisition detection, the paper thought that occupational hygiene work present 5 problems in Xuzhou city.
调查发现，职业卫生工作存在5个方面的问题现有职业卫生法律法规不够完善；
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Methods Occupational hygiene investigation were made on the work sites.
方法作业场所职业卫生学调查，气相色谱法测定样品；
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