Temporarily tape a template to the control panel and use a center punch to mark the drill holes and insure that their location does not wander during drilling.
暂时磁带模板，控制面板，并使用中心的力度，以标志孔和保证他们的位置不徜徉在钻井过程。
Temporarily tape a template to the control panel and use a center punch to mark the drill holes and insure that their location does not wander during drilling.
暂时磁带模板，控制面板，并使用中心的力度，以标志孔和保证他们的位置不徜徉在钻井过程。
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