纵断面

vertical section / longitudinal section

face / side / surface / aspect / top / classifier for objects with flat surfaces such as drums, mirrors, flags etc

variant of 麵|面[mian4]

flour / noodles / (of food) soft (not crunchy) / (slang) (of a person) ineffectual / spineless

to break / to snap / to cut off / to give up or abstain from sth / to judge / (usu. used in the negative) absolutely / definitely / decidedly

warp (the vertical threads in weaving) / vertical / longitudinal / north-south (lines of longitude) / lengthwise / to release / to indulge / even if