There are many modes in which Labour is still more directly applied to the protection of productive operations.
劳动还以其他许多方式更为直接地用来保护生产活动。
Comparison of productive method, energy consumption, productive cost and environmental protection, for optimal technical decision in the prophase project.
着重对聚氯乙烯的生产方法、能源消耗、生产成本和环境保护进行比较，为项目前期工作优化技术决策。
Due to increasingly stringent regulations for environmental protection purpose, the requirement for the productive technology of the low sulfur and ultra-low sulfur clean fuel is getting higher.
日益严格的环保法规，对生产低硫、超低硫清洁燃料技术提出了更高要求。
Conclusion the occupational hazards which possibly present in the productive of this project can be prevented, but the design of occupational disease prevention and protection need to be improved.
结论该项目在生产过程中产生的职业病危害是可以预防的，但职业病防护设计有待优化、细化。
On the basis of productive practice in petrochemical industry, the applicability and economical efficiency for these protection methods are discussed.
根据石化生产中的应用实践，对上述防腐蚀方法，从适用性与经济性方面等进行论述。
On the basis of productive practice in petrochemical industry, the applicability and economical efficiency for these protection methods are discussed.
根据石化生产中的应用实践，对上述防腐蚀方法，从适用性与经济性方面等进行论述。
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