C1580 Surround for Support(part Ii)

The first one is calibrated, the deviation is normal, and the second one is still a little off course, but it was much better than the first one. When the third one started, it basically pointed to where to hit. The five Stone-throwing Cart operated at the same time. Rocks that were thicker than water tanks flew into the sky. It drew a parabola, and under the effect of gravity acceleration