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We investigate the physical properties of gas structures under feedback inthe G333 complex using data of the 13CO (3-2) line in the LAsMA observation. Weused the Dendrogram algorithm to identify molecular gas structures based on theintegrated intensity map of the 13CO (3-2) emission, and extracted the averagespectra of all structures to investigate their velocity components and gaskinematics. We derive the column density ratios between different transitionsof the 13CO emission pixel-by-pixel, and find the peak values N(2-1)/N(1-0) ~0.5, N(3-2)/N(1-0) ~ 0.3, N(3-2)/N(2-1) ~ 0.5. These ratios can also be roughlypredicted by RADEX for an average H$_2$ volume density of ~ 4.2 * 10$^3$cm$^{-3}$. A classical virial analysis does not reflect the true physical stateof the identified structures, and we find that external pressure from theambient cloud plays an important role in confining the observed gas structures.For high column density structures, velocity dispersion and density show aclear correlation, while for low column density structures they do not,indicating the contribution of gravitational collapse to the velocitydispersion. For both leaf and branch structures, $\sigma-N*R$ always has astronger correlation compared to $\sigma-N$ and $\sigma-R$. The scalingrelations are stronger, and have steeper slopes when considering onlyself-gravitating structures, which are the structures most closely associatedwith the Heyer-relation. Although the feedback disrupting the molecular cloudswill break up the original cloud complex, the substructures of the originalcomplex can be reorganized into new gravitationally governed configurationsaround new gravitational centers. This process is accompanied by structuraldestruction and generation, and changes in gravitational centers, butgravitational collapse is always ongoing.

High-resolution APEX/LAsMA $^{12}$CO and $^{13}$CO (3-2) observation of  the G333 giant molecular cloud complex : II. Survival and gravitational  collapse of dense gas structures under feedback