介绍HG - 3型火焰光度计常见的两例故障与排除方法。

This paper describes two typical troubles of HG - 3 blaze photometer and their troubleshooting.

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以CA6140型普通车床的数控改造为例，介绍了自动回转刀架的结构、安装和换刀控制；并且对自动回转刀架常见故障与排除提出了意见和措施。

Takes nc transformation of CA6140 type common lathe as an example, has explained the structure, installation and principle on automatic tool changing of auto-rotating tool-carrier.

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这里，每个模块都是与排除在使用所选产品时遇到的故障有关的。

Here, each module is specifically about troubleshooting problems using the products you have selected.

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