变形
// Check for roll wave, edge kink, local bow, pocket, side kink, hammer, bird’s eye, picture framing, belly banding, edge lift, corner lift, bi-stability, saddle bow, oil-canning, soft-center, center kink, vertical kink
// Check for roll wave, edge kink, local bow, pocket, side kink, hammer, bird’s eye, picture framing, belly banding, edge lift, corner lift, bi-stability, saddle bow, oil-canning, soft-center, center kink, vertical kink