【物理】折叠座【运输】折叠式座椅

set up folding bottom, cross bottom, block bottom

collapsible umbrella (folding umbrella)

trimming press (folding press, bending press, power break)

folding in the manufacture of three-dimensional articles

accordion door【建】;folding door【建】

zig-zag folding

code of folding

combined buckle and knife folding machine