短語詞組短語folding line for cutting 裁雙線closed folding line 閉折線vertical folding line 雙擊垂直折疊線westbank folding line 屈折線plane closed folding line 閉折線folding line distribution 折線分布folding line cracked 折線位破裂line folding 分行;列折迭;折線 返回 folding line