方法对氟作业环境作职业卫生学调查。
Methods Occupational hygiene investigation was made on the working sites exposed to fluorine.
方法作业场所职业卫生学调查，气相色谱法测定样品；
Methods Occupational hygiene investigation were made on the work sites.
方法采用现场职业卫生学调查和职业病危害因素检测检验方法。
Methods Field investigation and detection of occupational health hazards were applied.
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