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優惠供應合肥消安牌擋煙垂壁控制系統（電機控制器）
擋煙垂壁用不燃燒材料制成，從頂棚下垂不小于500 mm的固定或活動的擋煙設施?；顒訐鯚煷贡谙抵富馂臅r因感溫、感煙或其它控制設備 		2021-03-12
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