常見例句雙語例句Parallel folding can be operated for two times with the buckle plate. Its mode of folding includes parallel fold, concertina fold and letter fold.在采用柵欄折頁時可進行四次平行折頁，折頁方式為平行折、風琴折、包芯折；www.xianghan-machine.comParallel folding can be operated for two times with the buckle plates. Its mode of folding includes parallel fold, concertina fold and letter fold.在采用柵欄折頁時可進行兩次平行折頁，折頁方式為平行折、風琴折、包芯折；www.xianghan-machine.com權威例句It was supposed to be a convertible, but the concertina metal bits that supported the canvas top were too rusted to fold back.NEWYORKER: Hand on the Shoulder 返回 concertina fold