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recommend work safety and health standards
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recommend work safety and health standards
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工学
生产安全卫生标准
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recommend work safety and health standards
推荐性生产安全卫生标准
在安全生产和职业卫生领域,通过经济手段或市场调节而自愿采用的一类标准。又称非强制性标准、自愿性标准。
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Shaaban Robert
Shaanbei College
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Shaanxi Acient Civilization
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Shaanxi Coal and Chemical Industry Group
Shaanxi Duangong opera
Shaanxi Foping National Nature Reserve
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