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launch文件代码如下, node pkg = “dobot_bringup”,node_type="dobot_bringup"
dobot_bringup文件夹下结构如下 dobot_bringup文件下没有名为"dobot_bringup.cpp”文件,我应该如何知道launch文件节点对应的源代码是哪个cpp文件呢