室外楼梯 [建] External stairway ; outside stair ; exterior stair ; outdoor staircase
室外消防梯 outside fire escape
室外明楼梯 unenclosed exterior stair
大型室外滑梯 large outdoor slide
幼儿园滑梯室外 kindergarten slide outdoor
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训练塔宜设置室外消防梯。
Fourth, should set the outdoor fire training tower ladder.
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