Circulator Fans feature a pull chain switch.

环形风扇具有拉链开关。

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The sky was ablaze with stars as if each one were on a pull chain.

星星是台上的主角，天空中星光灿烂，一颗颗星星像点缀在一根璀璨的项链上。

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This includes removing any mineral deposits around the seat beneath the valve. Also check that the pull chain attached to the valve is not too short and holding the valve slightly open.

首先，确定让水位上升的砖头或者马桶清洁装置没有挡到阀门，让它不能正确关闭；然后清除挡水阀座周围的矿质沉淀物，检查连在挡水阀的拉管是不是太短，有没有把挡水阀拉得有轻微缝隙。

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Engaged factory workers pull the chain to stop the entire line when they notice a defect.

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And when trading partners start to pull away, a rapid chain reaction can begin.

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You and your neighbors must clear downed trees with your own chain saws and pull debris from drainage pipes.

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