Long-term effective 长期有效的 ; 常年有效
Long-term effective measures 长期有效的措施
long-term effective mechanism 长效机制
long-term effective management 长效管理
long-term effective education system 长效教育机制
long-term effective administration mechanism 长效管理机制
long-term effective coefficient of rigidity 长期有效刚度系数法
long-term effective safety production system 安全生产长效机制
Long-term and effective measures 长期有效的措施
Crack waterproof layer materials by crack cement mortar complex fiberglass nets composition, but the long-term effective control protection layer the creation of cracks.
抗裂防水保护层材料由抗裂水泥砂浆复合玻纤网组成，可长期有效控制防护层裂缝的产生。
Non-toxic mold can meet the requirements of environmental protection, to water containers, water pipes, water tanks to provide long-term effective anti-corrosion protection.
防霉无毒，满足环保要求，能够为饮水容器、饮水管道、饮水储罐提供长期有效的防腐蚀保护。
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