本文从珠三角地区“民工短缺”的主要成因入手，分析了我国实施职业健康安全体系的紧迫性和必要性。
The paper analyzing the cause of "shortage of migrant workers" in the Pearl River Delta, points out the necessity of adopting a vocational health and safety mechanism.
本文从珠三角地区“民工短缺”的主要成因入手，分析了我国实施职业健康安全体系的紧迫性和必要性。
The paper analyzing the cause of "shortage of migrant workers" in the Pearl River Delta, points out the necessity of adopting a vocational health and safety mechanism.
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