... 公共建筑:public building 无障碍通路:barrier-free passage 无障碍设施:accessibility facilities ...
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A barrier composed of a chain of floating logs enclosing other free-floating logs, typically used to catch floating debris or to obstruct passage.
一种由一连串浮木连着别的自由浮木而成的障碍物，特别用于拦截漂浮残骸或阻止通行。
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