The occupational exposure limits (OELs) of wood dust in different countries are however not the same.
不同国家的木粉尘的职业接触极限值（或极限值）却不尽相同。
The present paper presents the action needed, occupational exposure limits for control silicosis, and finally introduces the ILO/WHO International Program on Global Elimination of Silicosis.
本文就所需要采取的措施．职业接触限值陈述了目前国际上的趋势，最后介绍了ILO／WHO全球消除矽肺的国际规划。
The present paper presents the action needed, occupational exposure limits for control silicosis, and finally introduces the ILO/WHO International Program on Global Elimination of Silicosis.
本文就所需要采取的措施．职业接触限值陈述了目前国际上的趋势，最后介绍了ILO／WHO全球消除矽肺的国际规划。
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