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一种操纵性增强的伸缩式支柱和使用该伸缩式支柱的泛光灯。
A telescopic supporting column and a floodlight using the same with enhanced maneuverability.
youdao
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一种操纵性增强的伸缩式支柱和使用该伸缩式支柱的泛光灯。
A telescopic supporting column and a floodlight using the same with enhanced maneuverability.
youdao