The exit sign was marked with an arrow.

出口处的记号用一箭头表示。

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The little green men to a door run, mark on one side of the arrow, this is tell everyone in the direction of emergency exit, to tell the baby once encountered fire, to the arrow direction to run.

绿色小人向一扇门奔跑，标志的一侧有箭头，这是告诉所有的人紧急出口的方向，告诉宝宝一旦遇到火灾等，要向箭头指引的方向跑。

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Thus, at the opening of the emergency exit 11, the materials that may obstruct the emergency exit fall vertically in the direction of the arrow 12 to clear the emergency exit 11.

这样，在紧急出口11的开口处，可能阻塞紧急出口的物料沿着箭头12的方向竖直下落，以清理紧急出口11。

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