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drinking water pollution
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drinking water pollution
Encyclopedia
工学
水污染
释
drinking water pollution
饮用水污染
因某种物质的介入而导致饮用水物理、化学、生物或放射性等方面特性的改变,从而影响其有效利用,危害人体健康的现象。
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Labor Law of the People's Republic of China
labor legal relations
labor-management relations
Labor Management Relations Act of 1947
labor market
labor market segmentation between urban and rural areas
labor mobility
labor obligation
labor-oriented tales of silver incorporated into the land tax
labor ownership obligation
labor participation rate
Labor Party of New Zealand
labor policy
labor-power commodity
labor process
labor products
labor protection in China
labor protection of plateau railway
labor protection supervision
labor relation
labor rent
labor resources
labor safety and accident prevention
labor safety regulations
Labor Security Supervision Regulations
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