The occupationalexposurelimits (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。
2
The present paper presents the action needed, occupationalexposurelimits for control silicosis, and finally introduces the ILO/WHO International Program on Global Elimination of Silicosis.