Why doesn't the 2nd turret on Z-46 turn 360 degrees, despite lack of obstruction?

问：为什么Z-46上的第二炮塔没有阻当的情况下也不能360度旋转？

youdao

Why doesn't the 2nd turret on Z-46 turn 360 degrees, despite lack of obstruction?

问：为什么Z-46上的第二炮塔没有阻当的情况下也不能360度旋转？

youdao