Responding to those fluctuations would enable firms to avoid high lighting costs, he says.
他说企业可根据波动值调整用电从而避免高昂的照明成本。
Characteristics: small size, high lighting efficiency, easy for use, safety, lighting is very good for far or close.
特点：光效高，体积小，容易使用，安全，远或近照明效果佳。
Characteristics: small size, high lighting efficiency, easy for use, safety, lighting is very good for far or close.
特点：光效高，体积小，容易使用，安全，远或近照明效果佳。
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