短語詞組短語folding g rule 折尺folding elevator rule 折尺folding extension rule 伸長折尺folding pocket rule 折尺folding wooden rule 木折尺folding metal rule 金屬折曡尺wooden folding rule 木折尺maple folding rule 楓木折尺wood folding rule 木折尺 返回 folding rule