concertina fold

常見(jiàn)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.
在採(cǎi)用柵欄折頁(yè)時(shí)可進(jìn)行四次平行折頁(yè)，折頁(yè)方式爲(wèi)平行折、風(fēng)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.
在採(cǎi)用柵欄折頁(yè)時(shí)可進(jìn)行兩次平行折頁(yè)，折頁(yè)方式爲(wèi)平行折、風(fēng)琴折、包芯折；
www.xianghan-machine.com

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