【运输】用于可折叠单元的可折叠鼓，办公室打印机器所连的网

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