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illumination distribution curve

英 [ɪˌluːmɪˈneɪʃn ˌdɪstrɪˈbjuːʃn kɜːv] 美 [ɪˌluːmɪˈneɪʃn ˌdɪstrɪˈbjuːʃn kɜːrv]

【电】照明分布曲线

电力

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