Blank to fire, R to pull the bolt, T to pull the bolt After pulling the bolt, drag the ammunition on the ground, lift it high and throw it down, it will stop when the position is right, and press it in with a poke. The magazine needs to be poked again to eject the auxiliary loader.
I screwed up by putting the words as Japanese instead of Chinese, So I decided to redo the whole thing again. Credit to Mbzzw