When you start up a strategy in MetaTrader, you are activating the robot that internally has all the formulas of the indicators to use, such as the moving average.
You must understand that robots, in comparison to traders, do not need to see the graphs nor the indicators; that is, why when you upload the robot you will not have any indicator linked.
Nevertheless, you can always upload the indicators manually, making sure that you set them with the same parameters that your robot has. If you do not know how to set the indicators in MetaTrader, you can read the following article that will help you do it.
Introduction to Metatrader: indicators
