Irish authorities also closed their air space for eight hours.
爱尔兰相关部门也将关闭领空8小时之久。
From the inside Breath hole closed by Breath filter to make air clean and dry.
由内而外的呼吸过滤器呼吸孔关闭，使空气清洁和干燥。
With the valve in the closed position the downstream air exhausts to the atmosphere.
如果这种阀门出于关闭位置，则下游气体将排放到大气中。
With the valve in the closed position the downstream air exhausts to the atmosphere.
如果这种阀门出于关闭位置，则下游气体将排放到大气中。
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