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• Pins project from the tools to centralize the workpiece bore in relation to the electrodes.
• It is essential that the spindle is centralized (or centred) while adjusting the alignment.
• The centralizer serves to align the gauge within the bore.
• The frame of the sight is aligned with the fore and aft axis of the airplane.
Источник:
Русско-английский научно-технический словарь
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