Perfect for the energy conscious, LEDs are cost effective, low maintenance and possess great longevity.

完善为能源意识到，目前发光二极管成本效益低，维修，并拥有很大的长寿。

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And for the customer's engineering design installation with perfect technical support and maintenance services.

并为客户的工程设计安装提供完善的技术支持和维护服务。

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And for the customer's engineering design installation with perfect technical support and maintenance services.

并为客户的工程设计安装提供完善的技术支持和维护服务。

youdao