... 悬臂式起重机;折叠式井架:cantilever derrick 悬臂式楼梯:bracket stairs 悬臂式井斜仪:cantilever type inclinometer ...
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... 盘旋式楼梯 winding tower 悬臂式楼梯 bracket stairs; bracketed stairs; bracketed step 悬挑式楼梯 overhanging stair ...
基于1个网页-相关网页
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bracketed stairs
bracket stairs
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