企业要定期开展风险评估和危害辨识。
Enterprises % shall carry out the risk assessment and hazard identification regularly.
企业要定期开展风险评估和危害辨识。
Enterprises shall carry out the risk assessment and hazard identification regularly.
在工厂的这一区域，应定期开展昆虫和鼠害控制活动。
A regular insect and rodent control program shall be implemented in this section of the plant.
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