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2指南。
正翻译步骤 7
步骤 7


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Have a third person place the pipe vise around the riser main, on top of the top flange.
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Tighten the pipe vise securely around the riser main.