首先，确保您的类路径如安装与设置中指示的那样设置。

First, make sure that your class path is set up as indicated in Installation and setup.

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RAM是保存的其他用途（如安装方式）。

RAM is saved for other uses (as in Mount Mode).

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本单元组的高级职位，如安装操作员，需要机器操作员的经验。

Senior positions in this unit group, such as set-up operator, require experience as a machine operator.

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