三中三20个数有多少组简介：The second group of 600 people was the Mongolian flag, including 100 shield bearers and 500 archers. They hid behind the shield carts, fired in curves, rained arrows on the fort, and covered the siege.
The second group of 600 people was the Mongolian flag, including 100 shield bearers and 500 archers. They hid behind the shield carts, fired in curves, rained arrows on the fort, and covered the siege.
