注：你正在编辑的一份前提条件指南。你所做的任何更改将影响包括此步骤的55指南。
正翻译步骤 2
步骤 2
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Pull the blue handle forwards to lock the arms.
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Turn the handle clockwise 360 degrees or until the cups start to stretch.
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Make sure the suction cups remain aligned with each other. If they begin to slip out of alignment, loosen the suction cups slightly and realign the arms.
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