As the disorder progresses, the bottom of the foot can become convex, bulging like the hull of a ship.
由于无序的进展情况，底部的脚可以成为凸，鼓胀如船体的一条船。
2
Processing: etching, incised, corrosion intaglio bottom concave, convex, word word etching paint, color code, color card stickers.
加工方式：蚀刻、阴刻、蚀凹纹底、凹字、凸字蚀刻烤漆、上色、卡典贴色。
3
The most obvious response of building under uneven settlement occurs at the bottom story; and its ability to resist down concave deformation is stronger than that to upper convex deformation.