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employment admittance system
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employment admittance system
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管理学
劳动就业准入制度
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employment admittance system
劳动就业准入制度
根据中国《劳动法》和《职业教育法》的有关规定,对从事技术复杂,通用性广,涉及国家财产、人民生命安全和消费者利益的职业(工种)的劳动者,必须经过培训,并取得职业资格证书后,方可就业上岗的制度。
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blasting
blasting alert zone
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blasting crater experiment
blasting crater theory
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blasting damage of rock mass
blasting demolition of the third stage RCC cofferdam of the Three Gorges Project
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blasting flying stone
blasting for exploratory adits,shafts and trenches
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blasting model test
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