图2 - 12示出了测试夹具上由两个绝缘子支撑的高阻器(RDUT)。

Figure 2-12 shows a high mega-ohm resistor (RDUT) supported on two insulators mounted in a metal test fixture.

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唯一最重要的差别是镗夹具一般用于控制衬套，或者在机器操作时支撑镗杆的外端。

The only major difference is that boring jigs are normally fitted with a pilot bushing or bearing to support the outer end of the boring bar during the machining operation.

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