concertina fold

常见例句

双语例句

• Parallel folding can be operated for two times with the buckle plate. Its mode of folding includes parallel fold, concertina fold and letter fold.
  在采用栅栏折页时可进行四次平行折页，折页方式为平行折、风琴折、包芯折；
  www.xianghan-machine.com
• Parallel folding can be operated for two times with the buckle plates. Its mode of folding includes parallel fold, concertina fold and letter fold.
  在采用栅栏折页时可进行两次平行折页，折页方式为平行折、风琴折、包芯折；
  www.xianghan-machine.com

权威例句

• 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
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