Simply with a standard cone, the probe tip center can be calibrated.

利用一个标准锥，即可实现光笔测头的现场标定。

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Make four indentations into the condenser near the standard cone joint .

在冷凝器接近标准圆锥接头处打四个穴孔。

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Make four indentations into the condenser near the standard cone joint .

在冷凝器接近标准圆锥接头处打四个穴孔。

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