是否有降低能耗的定期维护保养计划？
Do you have a preventive maintenance schedule that reduces wasted energy?
这是一项价格低廉、但却能大幅降低能耗的解决方案。
This is an Inexpensive solution to significantly reduce energy consumption.
这是一项价格低廉、但却能大幅降低能耗的解决方案。
This is an inexpensive solution to significantly reducing energy consumption.
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