blind hoistway

导读:blind hoistway读音音标
[blaind ˈhɔistwei]
blind hoistway意思解释
释义无中间出口的升降机竖井;

blind hoistway读音音标

[blaind ˈhɔistwei]

blind hoistway意思解释

释义

无中间出口的升降机竖井;

blind nailing
blind gut
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