项目负责人 / 还没 / 到 / 李明 / 迳自 / 打开 / 投影设备 / 开始 / 调试

项目负责人还没到，李明迳自打开投影设备，开始调试。

The project lead had not arrived yet, but Li Ming went ahead and turned on the projector to begin testing it.