step light
(2) 户外台阶灯(Step lights): 最小光输出(起始值):50 lm。 区域流明密度:总光输出量至少有85%落在0-90 o 之间的区域(双向对称)。
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室外台阶灯 outdoor step
户外台阶灯 Outdoor step lights
街上店窗点了灯，我爬着斜峻的石台阶到了上边一条街，又爬了好些台阶，才到车站。
There were lights in the shop Windows and we climbed the steep stone stairway to the upper street, then up another stairs to the station.
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