【运输】折叠，单个薄板，从单个薄板

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

uniting the side walls of folding boxes while folding

accordion door【建】;folding door【建】

zig-zag folding

code of folding